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24442000400 = 2452292107069
BaseRepresentation
bin10110110000110110…
…110101010000010000
32100002101221021021002
4112300312311100100
5400024123003100
615121204521132
71523460401246
oct266066652020
970071837232
1024442000400
11a402965734
1248a16b01a8
1323c6a54b3c
14127c214796
15980bee2d5
hex5b0db5410

24442000400 has 60 divisors (see below), whose sum is σ = 60746828100. Its totient is φ = 9439664640.

The previous prime is 24442000399. The next prime is 24442000403. The reversal of 24442000400 is 400024442.

It can be written as a sum of positive squares in 6 ways, for example, as 681627664 + 23760372736 = 26108^2 + 154144^2 .

It is a super-2 number, since 2×244420004002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (24442000403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041935 + ... + 1065134.

It is an arithmetic number, because the mean of its divisors is an integer number (1012447135).

Almost surely, 224442000400 is an apocalyptic number.

24442000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24442000400 is an abundant number, since it is smaller than the sum of its proper divisors (36304827700).

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

24442000400 is a wasteful number, since it uses less digits than its factorization.

24442000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107116 (or 2107105 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 24442000400 its reverse (400024442), we get a palindrome (24842024842).

The spelling of 24442000400 in words is "twenty-four billion, four hundred forty-two million, four hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 580 725 1160 1450 2320 2900 5800 11600 2107069 4214138 8428276 10535345 16856552 21070690 33713104 42141380 52676725 61105001 84282760 105353450 122210002 168565520 210706900 244420004 305525005 421413800 488840008 611050010 842827600 977680016 1222100020 1527625025 2444200040 3055250050 4888400080 6110500100 12221000200 24442000400