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89988037 is a prime number
BaseRepresentation
bin1010101110100…
…01101111000101
320021022212101021
411113101233011
5141014104122
612532431141
72141612536
oct527215705
9207285337
1089988037
1146883387
12261784b1
1315849679
14bd4668d
157d781c7
hex55d1bc5

89988037 has 2 divisors, whose sum is σ = 89988038. Its totient is φ = 89988036.

The previous prime is 89988023. The next prime is 89988061. The reversal of 89988037 is 73088998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89756676 + 231361 = 9474^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 89988037 - 211 = 89985989 is a prime.

It is a super-2 number, since 2×899880372 = 16195693606226738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89988097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44994018 + 44994019.

It is an arithmetic number, because the mean of its divisors is an integer number (44994019).

Almost surely, 289988037 is an apocalyptic number.

It is an amenable number.

89988037 is a deficient number, since it is larger than the sum of its proper divisors (1).

89988037 is an equidigital number, since it uses as much as digits as its factorization.

89988037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 89988037 is about 9486.2024540909. The cubic root of 89988037 is about 448.1206178333.

The spelling of 89988037 in words is "eighty-nine million, nine hundred eighty-eight thousand, thirty-seven".