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89279313 = 3291026199
BaseRepresentation
bin1010101001001…
…00101101010001
320012222212012020
411110210231101
5140323414223
612505322053
72132601354
oct524445521
9205885166
1089279313
1146439962
1225a96329
131565bbc6
14bc0029b
157c881e3
hex5524b51

89279313 has 8 divisors (see below), whose sum is σ = 123144000. Its totient is φ = 57467088.

The previous prime is 89279299. The next prime is 89279317. The reversal of 89279313 is 31397298.

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

It is not a de Polignac number, because 89279313 - 26 = 89279249 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (89279317) 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, 513013 + ... + 513186.

It is an arithmetic number, because the mean of its divisors is an integer number (15393000).

Almost surely, 289279313 is an apocalyptic number.

It is an amenable number.

89279313 is a deficient number, since it is larger than the sum of its proper divisors (33864687).

89279313 is a wasteful number, since it uses less digits than its factorization.

89279313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026231.

The product of its digits is 81648, while the sum is 42.

The square root of 89279313 is about 9448.7730949579. The cubic root of 89279313 is about 446.9410859801.

The spelling of 89279313 in words is "eighty-nine million, two hundred seventy-nine thousand, three hundred thirteen".

Divisors: 1 3 29 87 1026199 3078597 29759771 89279313