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89425231 = 756322691
BaseRepresentation
bin1010101010010…
…00010101001111
320020021021100121
411111020111033
5140343101411
612512405411
72134046650
oct525102517
9206237317
1089425231
1146529555
1225b46867
13156b044c
14bc3b527
157cb6571
hex554854f

89425231 has 8 divisors (see below), whose sum is σ = 102386304. Its totient is φ = 76510680.

The previous prime is 89425213. The next prime is 89425249. The reversal of 89425231 is 13252498.

It is an interprime number because it is at equal distance from previous prime (89425213) and next prime (89425249).

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 89425231 - 27 = 89425103 is a prime.

It is a super-2 number, since 2×894252312 = 15993743878806722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89425211) 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, 7405 + ... + 15286.

It is an arithmetic number, because the mean of its divisors is an integer number (12798288).

Almost surely, 289425231 is an apocalyptic number.

89425231 is a deficient number, since it is larger than the sum of its proper divisors (12961073).

89425231 is a wasteful number, since it uses less digits than its factorization.

89425231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23261.

The product of its digits is 17280, while the sum is 34.

The square root of 89425231 is about 9456.4914741145. The cubic root of 89425231 is about 447.1844467668.

The spelling of 89425231 in words is "eighty-nine million, four hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 7 563 3941 22691 158837 12775033 89425231