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5182272144 = 2432728572
BaseRepresentation
bin1001101001110001…
…10011001010010000
3111101011100200221100
410310320303022100
541103130202034
62214122024400
7242264405100
oct46470631220
914334320840
105182272144
11221a291845
121007648100
13647849a2a
1437238b200
15204e5d099
hex134e33290

5182272144 has 135 divisors (see below), whose sum is σ = 16890737097. Its totient is φ = 1478921472.

The previous prime is 5182272103. The next prime is 5182272223. The reversal of 5182272144 is 4412722815.

The square root of 5182272144 is 71988.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4802490000 + 379782144 = 69300^2 + 19488^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5182272099 and 5182272108.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6046564 + ... + 6047420.

Almost surely, 25182272144 is an apocalyptic number.

5182272144 is the 71988-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5182272144

5182272144 is an abundant number, since it is smaller than the sum of its proper divisors (11708464953).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5182272144 is an equidigital number, since it uses as much as digits as its factorization.

5182272144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 869 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The cubic root of 5182272144 is about 1730.5071790841.

Multiplying 5182272144 by its sum of digits (36), we get a square (186561797184 = 4319282).

5182272144 divided by its sum of digits (36) gives a square (143952004 = 119982).

Adding to 5182272144 its reverse (4412722815), we get a palindrome (9594994959).

The spelling of 5182272144 in words is "five billion, one hundred eighty-two million, two hundred seventy-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 392 441 504 588 784 857 882 1008 1176 1714 1764 2352 2571 3428 3528 5142 5999 6856 7056 7713 10284 11998 13712 15426 17997 20568 23996 30852 35994 41136 41993 47992 53991 61704 71988 83986 95984 107982 123408 125979 143976 167972 215964 251958 287952 335944 377937 431928 503916 671888 734449 755874 863856 1007832 1468898 1511748 2015664 2203347 2937796 3023496 4406694 5141143 5875592 6046992 6610041 8813388 10282286 11751184 13220082 15423429 17626776 20564572 26440164 30846858 35253552 35988001 41129144 46270287 52880328 61693716 71976002 82258288 92540574 105760656 107964003 123387432 143952004 185081148 215928006 246774864 287904008 323892009 370162296 431856012 575808016 647784018 740324592 863712024 1295568036 1727424048 2591136072 5182272144