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5246281728 = 21132379751
BaseRepresentation
bin1001110001011001…
…11110100000000000
3111112121210201120200
410320230332200000
541221022003403
62224330005200
7244002442002
oct47054764000
914477721520
105246281728
112252431126
121024b76800
13657b9ba1c
1437aa90372
1520a8a3ca3
hex138b3e800

5246281728 has 144 divisors (see below), whose sum is σ = 15212433600. Its totient is φ = 1741824000.

The previous prime is 5246281727. The next prime is 5246281757. The reversal of 5246281728 is 8271826425.

5246281728 is a `hidden beast` number, since 5 + 2 + 4 + 628 + 17 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (5246281723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6985353 + ... + 6986103.

It is an arithmetic number, because the mean of its divisors is an integer number (105641900).

Almost surely, 25246281728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5246281728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7606216800).

5246281728 is an abundant number, since it is smaller than the sum of its proper divisors (9966151872).

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

5246281728 is a wasteful number, since it uses less digits than its factorization.

5246281728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1135 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 5246281728 is about 72431.2206717518. The cubic root of 5246281728 is about 1737.6029140291.

The spelling of 5246281728 in words is "five billion, two hundred forty-six million, two hundred eighty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 379 384 512 576 751 758 768 1024 1137 1152 1502 1516 1536 2048 2253 2274 2304 3004 3032 3072 3411 4506 4548 4608 6008 6064 6144 6759 6822 9012 9096 9216 12016 12128 13518 13644 18024 18192 18432 24032 24256 27036 27288 36048 36384 48064 48512 54072 54576 72096 72768 96128 97024 108144 109152 144192 145536 192256 194048 216288 218304 284629 288384 291072 384512 388096 432576 436608 569258 576768 582144 769024 776192 853887 865152 873216 1138516 1153536 1164288 1538048 1707774 1730304 1746432 2277032 2307072 2328576 2561661 3415548 3460608 3492864 4554064 4614144 5123322 6831096 6921216 6985728 9108128 10246644 13662192 13842432 18216256 20493288 27324384 36432512 40986576 54648768 72865024 81973152 109297536 145730048 163946304 218595072 291460096 327892608 437190144 582920192 655785216 874380288 1311570432 1748760576 2623140864 5246281728