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88328731 = 3710332311
BaseRepresentation
bin1010100001111…
…00101000011011
320011012120020111
411100330220123
5140103004411
612433105151
72121532111
oct520745033
9204176214
1088328731
114594a757
12256b81b7
13153b832a
14ba33ab1
157b4b721
hex543ca1b

88328731 has 8 divisors (see below), whose sum is σ = 90843104. Its totient is φ = 85821120.

The previous prime is 88328633. The next prime is 88328741. The reversal of 88328731 is 13782388.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88328731 - 211 = 88326683 is a prime.

It is a super-2 number, since 2×883287312 = 15603929440140722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88328741) 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 7 ways as a sum of consecutive naturals, for example, 37066 + ... + 39376.

It is an arithmetic number, because the mean of its divisors is an integer number (11355388).

Almost surely, 288328731 is an apocalyptic number.

88328731 is a deficient number, since it is larger than the sum of its proper divisors (2514373).

88328731 is a wasteful number, since it uses less digits than its factorization.

88328731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381.

The product of its digits is 64512, while the sum is 40.

The square root of 88328731 is about 9398.3366081451. The cubic root of 88328731 is about 445.3491868517.

The spelling of 88328731 in words is "eighty-eight million, three hundred twenty-eight thousand, seven hundred thirty-one".

Divisors: 1 37 1033 2311 38221 85507 2387263 88328731