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88955988 = 223113121739
BaseRepresentation
bin1010100110101…
…01110001010100
320012101102200020
411103111301110
5140233042423
612454345140
72130053622
oct523256124
9205342606
1088955988
1146238a50
122595b1b0
13155779a4
14bb58512
157c224e3
hex54d5c54

88955988 has 48 divisors (see below), whose sum is σ = 233748480. Its totient is φ = 26085600.

The previous prime is 88955987. The next prime is 88956017.

88955988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×889559882 = 15826335602112288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88955981) 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 15 ways as a sum of consecutive naturals, for example, 6778 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (4869760).

Almost surely, 288955988 is an apocalyptic number.

It is an amenable number.

88955988 is an abundant number, since it is smaller than the sum of its proper divisors (144792492).

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

88955988 is a wasteful number, since it uses less digits than its factorization.

88955988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21788 (or 21786 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 60.

The square root of 88955988 is about 9431.6482122692. The cubic root of 88955988 is about 446.4009010336.

The spelling of 88955988 in words is "eighty-eight million, nine hundred fifty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 2046 4092 21739 43478 65217 86956 130434 239129 260868 478258 673909 717387 956516 1347818 1434774 2021727 2695636 2869548 4043454 7412999 8086908 14825998 22238997 29651996 44477994 88955988