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89537331 = 3133122389
BaseRepresentation
bin1010101011000…
…11101100110011
320020110222010110
411111203230303
5140410143311
612515032403
72135024532
oct525435463
9206428113
1089537331
11465a57a4
1225b9b703
131571c490
14bc6a319
157cd98a6
hex5563b33

89537331 has 24 divisors (see below), whose sum is σ = 132903120. Its totient is φ = 53300160.

The previous prime is 89537323. The next prime is 89537369. The reversal of 89537331 is 13373598.

It is not a de Polignac number, because 89537331 - 23 = 89537323 is a prime.

It is a super-2 number, since 2×895373312 = 16033867285207122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 89537331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89537381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36285 + ... + 38673.

It is an arithmetic number, because the mean of its divisors is an integer number (5537630).

Almost surely, 289537331 is an apocalyptic number.

89537331 is a deficient number, since it is larger than the sum of its proper divisors (43365789).

89537331 is a wasteful number, since it uses less digits than its factorization.

89537331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2436 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 89537331 is about 9462.4167631742. The cubic root of 89537331 is about 447.3712264327.

It can be divided in two parts, 895 and 37331, that added together give a triangular number (38226 = T276).

The spelling of 89537331 in words is "eighty-nine million, five hundred thirty-seven thousand, three hundred thirty-one".

Divisors: 1 3 13 31 39 93 403 961 1209 2389 2883 7167 12493 31057 37479 74059 93171 222177 962767 2295829 2888301 6887487 29845777 89537331