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88639096 = 23713313389
BaseRepresentation
bin1010100100010…
…00011001111000
320011210022222111
411102020121320
5140142422341
612443502104
72124264010
oct522103170
9204708874
1088639096
1146041957
1225827934
1315496690
14bab4c40
157bad681
hex5488678

88639096 has 64 divisors (see below), whose sum is σ = 205732800. Its totient is φ = 34864128.

The previous prime is 88639093. The next prime is 88639097. The reversal of 88639096 is 69093688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88639093) 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 15 ways as a sum of consecutive naturals, for example, 227670 + ... + 228058.

It is an arithmetic number, because the mean of its divisors is an integer number (3214575).

Almost surely, 288639096 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 88639096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102866400).

88639096 is an abundant number, since it is smaller than the sum of its proper divisors (117093704).

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

88639096 is a wasteful number, since it uses less digits than its factorization.

88639096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 88639096 is about 9414.8338275298. The cubic root of 88639096 is about 445.8701922031.

The spelling of 88639096 in words is "eighty-eight million, six hundred thirty-nine thousand, ninety-six".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 313 364 389 626 728 778 1252 1556 2191 2504 2723 3112 4069 4382 5057 5446 8138 8764 10114 10892 16276 17528 20228 21784 28483 32552 35399 40456 56966 70798 113932 121757 141596 227864 243514 283192 487028 852299 974056 1582841 1704598 3165682 3409196 6331364 6818392 11079887 12662728 22159774 44319548 88639096