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89238657 = 330799661
BaseRepresentation
bin1010101000110…
…10110010000001
320012220210102110
411110122302001
5140321114112
612504405533
72132342004
oct524326201
9205823373
1089238657
1146411362
1225a768a9
1315646551
14bbcd53b
157c7b13c
hex551ac81

89238657 has 8 divisors (see below), whose sum is σ = 119035840. Its totient is φ = 59466960.

The previous prime is 89238623. The next prime is 89238659. The reversal of 89238657 is 75683298.

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

It is not a de Polignac number, because 89238657 - 210 = 89237633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89238659) 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 7 ways as a sum of consecutive naturals, for example, 4407 + ... + 14067.

It is an arithmetic number, because the mean of its divisors is an integer number (14879480).

Almost surely, 289238657 is an apocalyptic number.

It is an amenable number.

89238657 is a deficient number, since it is larger than the sum of its proper divisors (29797183).

89238657 is a wasteful number, since it uses less digits than its factorization.

89238657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743.

The product of its digits is 725760, while the sum is 48.

The square root of 89238657 is about 9446.6214595484. The cubic root of 89238657 is about 446.8732330248.

The spelling of 89238657 in words is "eighty-nine million, two hundred thirty-eight thousand, six hundred fifty-seven".

Divisors: 1 3 3079 9237 9661 28983 29746219 89238657