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658000089 = 3273111121
BaseRepresentation
bin100111001110000…
…100100011011001
31200212010212102200
4213032010203121
52321422000324
6145143120413
722206623415
oct4716044331
91625125380
10658000089
1130847322a
12164443109
13a6425486
1463563d45
153cb77ec9
hex273848d9

658000089 has 6 divisors (see below), whose sum is σ = 950444586. Its totient is φ = 438666720.

The previous prime is 658000087. The next prime is 658000139. The reversal of 658000089 is 980000856.

It can be written as a sum of positive squares in only one way, i.e., 417998025 + 240002064 = 20445^2 + 15492^2 .

It is not a de Polignac number, because 658000089 - 21 = 658000087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (658000087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36555552 + ... + 36555569.

It is an arithmetic number, because the mean of its divisors is an integer number (158407431).

Almost surely, 2658000089 is an apocalyptic number.

It is an amenable number.

658000089 is a deficient number, since it is larger than the sum of its proper divisors (292444497).

658000089 is a wasteful number, since it uses less digits than its factorization.

658000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73111127 (or 73111124 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 658000089 is about 25651.5124115519. The cubic root of 658000089 is about 869.7784651949.

The spelling of 658000089 in words is "six hundred fifty-eight million, eighty-nine", and thus it is an aban number.

Divisors: 1 3 9 73111121 219333363 658000089