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88640896 = 272330109
BaseRepresentation
bin1010100100010…
…00110110000000
320011210102110011
411102020312000
5140143002041
612443514304
72124302161
oct522106600
9204712404
1088640896
1146043243
1225828994
1315497446
14bab5768
157bade81
hex5488d80

88640896 has 32 divisors (see below), whose sum is σ = 184273200. Its totient is φ = 42392064.

The previous prime is 88640861. The next prime is 88640897. The reversal of 88640896 is 69804688.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88640897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12111 + ... + 17998.

Almost surely, 288640896 is an apocalyptic number.

It is an amenable number.

88640896 is an abundant number, since it is smaller than the sum of its proper divisors (95632304).

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

88640896 is a wasteful number, since it uses less digits than its factorization.

88640896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146 (or 30134 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 88640896 is about 9414.9294208719. The cubic root of 88640896 is about 445.8732102878.

The spelling of 88640896 in words is "eighty-eight million, six hundred forty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 30109 60218 120436 240872 481744 692507 963488 1385014 1926976 2770028 3853952 5540056 11080112 22160224 44320448 88640896