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113607989 = 1123113019
BaseRepresentation
bin1101100010110…
…00010100110101
321220202212212022
412301120110311
5213040423424
615135002525
72546436425
oct661302465
9256685768
10113607989
1159146400
1232069445
131a6c9681
1411134485
159e9195e
hex6c58535

113607989 has 12 divisors (see below), whose sum is σ = 125317920. Its totient is φ = 102913800.

The previous prime is 113607983. The next prime is 113607997. The reversal of 113607989 is 989706311.

It is a de Polignac number, because none of the positive numbers 2k-113607989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113607983) 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 11 ways as a sum of consecutive naturals, for example, 36122 + ... + 39140.

It is an arithmetic number, because the mean of its divisors is an integer number (10443160).

Almost surely, 2113607989 is an apocalyptic number.

It is an amenable number.

113607989 is a deficient number, since it is larger than the sum of its proper divisors (11709931).

113607989 is a wasteful number, since it uses less digits than its factorization.

113607989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 113607989 is about 10658.7048462747. The cubic root of 113607989 is about 484.3243349518.

The spelling of 113607989 in words is "one hundred thirteen million, six hundred seven thousand, nine hundred eighty-nine".

Divisors: 1 11 121 311 3019 3421 33209 37631 365299 938909 10327999 113607989