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113065431 = 397388541
BaseRepresentation
bin1101011110100…
…11110111010111
321212202022121120
412233103313113
5212421043211
615115215023
72542016553
oct657236727
9255668546
10113065431
1158905806
1231a47473
131a56972b
1411032863
159dd5d06
hex6bd3dd7

113065431 has 8 divisors (see below), whose sum is σ = 152308464. Its totient is φ = 74599680.

The previous prime is 113065429. The next prime is 113065457. The reversal of 113065431 is 134560311.

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

It is not a de Polignac number, because 113065431 - 21 = 113065429 is a prime.

It is a super-2 number, since 2×1130654312 = 25567583374431522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113065411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193980 + ... + 194561.

It is an arithmetic number, because the mean of its divisors is an integer number (19038558).

Almost surely, 2113065431 is an apocalyptic number.

113065431 is a deficient number, since it is larger than the sum of its proper divisors (39243033).

113065431 is an equidigital number, since it uses as much as digits as its factorization.

113065431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388641.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 113065431 is about 10633.2229827085. Note that the first 3 decimals coincide. The cubic root of 113065431 is about 483.5521079618.

The spelling of 113065431 in words is "one hundred thirteen million, sixty-five thousand, four hundred thirty-one".

Divisors: 1 3 97 291 388541 1165623 37688477 113065431