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113164640 = 255707279
BaseRepresentation
bin1101011111011…
…00000101100000
321212221100200222
412233230011200
5212432232030
615121302212
72542612031
oct657540540
9255840628
10113164640
11589732a6
1231a94968
131a5a2934
141105aa88
159e053e5
hex6bec160

113164640 has 24 divisors (see below), whose sum is σ = 267351840. Its totient is φ = 45265792.

The previous prime is 113164637. The next prime is 113164661. The reversal of 113164640 is 46461311.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 353480 + ... + 353799.

It is an arithmetic number, because the mean of its divisors is an integer number (11139660).

Almost surely, 2113164640 is an apocalyptic number.

113164640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113164640 is an abundant number, since it is smaller than the sum of its proper divisors (154187200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113164640 is an equidigital number, since it uses as much as digits as its factorization.

113164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707294 (or 707286 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 113164640 is about 10637.8870082362. The cubic root of 113164640 is about 483.6934971742.

The spelling of 113164640 in words is "one hundred thirteen million, one hundred sixty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 707279 1414558 2829116 3536395 5658232 7072790 11316464 14145580 22632928 28291160 56582320 113164640