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51033188 = 2221315987
BaseRepresentation
bin1100001010101…
…1010001100100
310120000202101002
43002223101210
5101031030223
65021452432
71156526543
oct302532144
9116022332
1051033188
1126896a98
1215111118
13a75a76b
146ac615a
154730e28
hex30ab464

51033188 has 12 divisors (see below), whose sum is σ = 89364912. Its totient is φ = 25500360.

The previous prime is 51033187. The next prime is 51033197. The reversal of 51033188 is 88133015.

It is a self number, because there is not a number n which added to its sum of digits gives 51033188.

It is not an unprimeable number, because it can be changed into a prime (51033187) by changing a digit.

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, 5531 + ... + 11517.

It is an arithmetic number, because the mean of its divisors is an integer number (7447076).

Almost surely, 251033188 is an apocalyptic number.

It is an amenable number.

51033188 is a deficient number, since it is larger than the sum of its proper divisors (38331724).

51033188 is a wasteful number, since it uses less digits than its factorization.

51033188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8120 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 51033188 is about 7143.7516754154. The cubic root of 51033188 is about 370.9234009004.

The spelling of 51033188 in words is "fifty-one million, thirty-three thousand, one hundred eighty-eight".

Divisors: 1 2 4 2131 4262 5987 8524 11974 23948 12758297 25516594 51033188