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51929088 = 21332113
BaseRepresentation
bin1100011000011…
…0000000000000
310121201021022120
43012012000000
5101243212323
65053004240
71200250521
oct306060000
9117637276
1051929088
1127349102
1215483680
13a9b2493
146c7a848
15485b5e3
hex3186000

51929088 has 56 divisors (see below), whose sum is σ = 138534648. Its totient is φ = 17301504.

The previous prime is 51929077. The next prime is 51929089. The reversal of 51929088 is 88092915.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51929089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23520 + ... + 25632.

It is an arithmetic number, because the mean of its divisors is an integer number (2473833).

Almost surely, 251929088 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 51929088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69267324).

51929088 is an abundant number, since it is smaller than the sum of its proper divisors (86605560).

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

51929088 is an equidigital number, since it uses as much as digits as its factorization.

51929088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 51929088 is about 7206.1840109728. The cubic root of 51929088 is about 373.0813719405.

The spelling of 51929088 in words is "fifty-one million, nine hundred twenty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 2113 3072 4096 4226 6144 6339 8192 8452 12288 12678 16904 24576 25356 33808 50712 67616 101424 135232 202848 270464 405696 540928 811392 1081856 1622784 2163712 3245568 4327424 6491136 8654848 12982272 17309696 25964544 51929088