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51038808 = 2332126617
BaseRepresentation
bin1100001010110…
…0101001011000
310120001001002020
43002230221120
5101031220213
65021534440
71156552122
oct302545130
9116031066
1051038808
11268a0237
1215114420
13a7601a2
146ac8212
154732923
hex30aca58

51038808 has 16 divisors (see below), whose sum is σ = 127597080. Its totient is φ = 17012928.

The previous prime is 51038773. The next prime is 51038821. The reversal of 51038808 is 80883015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063285 + ... + 1063332.

Almost surely, 251038808 is an apocalyptic number.

It is an amenable number.

51038808 is an abundant number, since it is smaller than the sum of its proper divisors (76558272).

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

51038808 is a wasteful number, since it uses less digits than its factorization.

51038808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126626 (or 2126622 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51038808 is about 7144.1450153255. The cubic root of 51038808 is about 370.9370163082.

The spelling of 51038808 in words is "fifty-one million, thirty-eight thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 2126617 4253234 6379851 8506468 12759702 17012936 25519404 51038808