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89768161 = 723953657
BaseRepresentation
bin1010101100111…
…00000011100001
320020220200202201
411112130003201
5140440040121
612524013201
72140005520
oct526340341
9206820681
1089768161
114674316a
1226091201
13157a0572
14bcca4b7
157d32e91
hex559c0e1

89768161 has 8 divisors (see below), whose sum is σ = 103023360. Its totient is φ = 76620768.

The previous prime is 89768153. The next prime is 89768183. The reversal of 89768161 is 16186798.

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

It is not a de Polignac number, because 89768161 - 23 = 89768153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89768101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25156 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (12877920).

Almost surely, 289768161 is an apocalyptic number.

It is an amenable number.

89768161 is a deficient number, since it is larger than the sum of its proper divisors (13255199).

89768161 is a wasteful number, since it uses less digits than its factorization.

89768161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53903.

The product of its digits is 145152, while the sum is 46.

The square root of 89768161 is about 9474.6061131849. The cubic root of 89768161 is about 447.7553421393.

The spelling of 89768161 in words is "eighty-nine million, seven hundred sixty-eight thousand, one hundred sixty-one".

Divisors: 1 7 239 1673 53657 375599 12824023 89768161