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113972806 = 256986403
BaseRepresentation
bin1101100101100…
…01011001000110
321221110102022001
412302301121012
5213134112211
615150455514
72552516143
oct662613106
9257412261
10113972806
1159375502
123220459a
131a7c673c
14111cb3ca
15a014ac1
hex6cb1646

113972806 has 4 divisors (see below), whose sum is σ = 170959212. Its totient is φ = 56986402.

The previous prime is 113972779. The next prime is 113972809. The reversal of 113972806 is 608279311.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113972809) 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 as a sum of consecutive naturals, namely, 28493200 + ... + 28493203.

It is an arithmetic number, because the mean of its divisors is an integer number (42739803).

Almost surely, 2113972806 is an apocalyptic number.

113972806 is a deficient number, since it is larger than the sum of its proper divisors (56986406).

113972806 is an equidigital number, since it uses as much as digits as its factorization.

113972806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56986405.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 113972806 is about 10675.8047003493. The cubic root of 113972806 is about 484.8422004087.

The spelling of 113972806 in words is "one hundred thirteen million, nine hundred seventy-two thousand, eight hundred six".

Divisors: 1 2 56986403 113972806