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113806937 = 671698611
BaseRepresentation
bin1101100100010…
…00111001011001
321221010222202202
412302020321121
5213113310222
615143135545
72551225436
oct662107131
9257128682
10113806937
1159271922
12321445b5
131a7690aa
1411186b8d
159ed0892
hex6c88e59

113806937 has 4 divisors (see below), whose sum is σ = 115505616. Its totient is φ = 112108260.

The previous prime is 113806919. The next prime is 113806943. The reversal of 113806937 is 739608311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739608311 = 1356892947.

It is a cyclic number.

It is not a de Polignac number, because 113806937 - 26 = 113806873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113806937.

It is not an unprimeable number, because it can be changed into a prime (113806997) 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 3 ways as a sum of consecutive naturals, for example, 849239 + ... + 849372.

It is an arithmetic number, because the mean of its divisors is an integer number (28876404).

Almost surely, 2113806937 is an apocalyptic number.

It is an amenable number.

113806937 is a deficient number, since it is larger than the sum of its proper divisors (1698679).

113806937 is an equidigital number, since it uses as much as digits as its factorization.

113806937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698678.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 113806937 is about 10668.0334176454. The cubic root of 113806937 is about 484.6068830605.

The spelling of 113806937 in words is "one hundred thirteen million, eight hundred six thousand, nine hundred thirty-seven".

Divisors: 1 67 1698611 113806937