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89756992 = 2613107881
BaseRepresentation
bin1010101100110…
…01010101000000
320020220010110001
411112121111000
5140434210432
612523445344
72136631123
oct526312500
9206803401
1089756992
1146735836
1226086854
1315798460
14bcc63ba
157d2e9e7
hex5599540

89756992 has 28 divisors (see below), whose sum is σ = 191814196. Its totient is φ = 41425920.

The previous prime is 89756987. The next prime is 89756999. The reversal of 89756992 is 29965798.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 72318016 = 4176^2 + 8504^2 .

It is a super-2 number, since 2×897569922 = 16112635225776128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89756999) 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 3 ways as a sum of consecutive naturals, for example, 53109 + ... + 54772.

It is an arithmetic number, because the mean of its divisors is an integer number (6850507).

Almost surely, 289756992 is an apocalyptic number.

It is an amenable number.

89756992 is an abundant number, since it is smaller than the sum of its proper divisors (102057204).

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

89756992 is a wasteful number, since it uses less digits than its factorization.

89756992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107906 (or 107896 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 89756992 is about 9474.0166772072. The cubic root of 89756992 is about 447.7367713871.

The spelling of 89756992 in words is "eighty-nine million, seven hundred fifty-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 107881 215762 431524 863048 1402453 1726096 2804906 3452192 5609812 6904384 11219624 22439248 44878496 89756992