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88115538 = 2372097989
BaseRepresentation
bin1010100000010…
…00100101010010
320010210201210110
411100020211102
5140024144123
612424342150
72116653420
oct520104522
9203721713
1088115538
1145814565
1225614956
1315342294
14b9ba110
157b08493
hex5408952

88115538 has 16 divisors (see below), whose sum is σ = 201407040. Its totient is φ = 25175856.

The previous prime is 88115477. The next prime is 88115561. The reversal of 88115538 is 83551188.

It is a junction number, because it is equal to n+sod(n) for n = 88115496 and 88115505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048953 + ... + 1049036.

It is an arithmetic number, because the mean of its divisors is an integer number (12587940).

Almost surely, 288115538 is an apocalyptic number.

88115538 is an abundant number, since it is smaller than the sum of its proper divisors (113291502).

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

88115538 is a wasteful number, since it uses less digits than its factorization.

88115538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098001.

The product of its digits is 38400, while the sum is 39.

The square root of 88115538 is about 9386.9876957414. The cubic root of 88115538 is about 444.9905952648.

The spelling of 88115538 in words is "eighty-eight million, one hundred fifteen thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 2097989 4195978 6293967 12587934 14685923 29371846 44057769 88115538