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88023937 = 538918661
BaseRepresentation
bin1010011111100…
…10001110000001
320010122002010211
411033302032001
5140013231222
612422354121
72116122361
oct517621601
9203562124
1088023937
1145761761
122558b941
131530c691
14b9949a1
157adb277
hex53f2381

88023937 has 8 divisors (see below), whose sum is σ = 90697320. Its totient is φ = 85388160.

The previous prime is 88023919. The next prime is 88023983. The reversal of 88023937 is 73932088.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 863041 + 87160896 = 929^2 + 9336^2 .

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 88023937 - 219 = 87499649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88023937.

It is not an unprimeable number, because it can be changed into a prime (88023917) 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, 4614 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (11337165).

Almost surely, 288023937 is an apocalyptic number.

It is an amenable number.

88023937 is a deficient number, since it is larger than the sum of its proper divisors (2673383).

88023937 is a wasteful number, since it uses less digits than its factorization.

88023937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 88023937 is about 9382.1072792843. The cubic root of 88023937 is about 444.8363443148.

The spelling of 88023937 in words is "eighty-eight million, twenty-three thousand, nine hundred thirty-seven".

Divisors: 1 53 89 4717 18661 989033 1660829 88023937