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113756849 = 731558313
BaseRepresentation
bin1101100011111…
…00101010110001
321221001110001122
412301330222301
5213110204344
615142112025
72550626423
oct661745261
9257043048
10113756849
1159238228
123211b615
131a74c35b
1411172813
159ec0aee
hex6c7cab1

113756849 has 4 divisors (see below), whose sum is σ = 115315236. Its totient is φ = 112198464.

The previous prime is 113756807. The next prime is 113756927. The reversal of 113756849 is 948657311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948657311 = 7135522473.

It can be written as a sum of positive squares in 2 ways, for example, as 31528225 + 82228624 = 5615^2 + 9068^2 .

It is a cyclic number.

It is not a de Polignac number, because 113756849 - 28 = 113756593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113756449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779084 + ... + 779229.

It is an arithmetic number, because the mean of its divisors is an integer number (28828809).

Almost surely, 2113756849 is an apocalyptic number.

It is an amenable number.

113756849 is a deficient number, since it is larger than the sum of its proper divisors (1558387).

113756849 is an equidigital number, since it uses as much as digits as its factorization.

113756849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558386.

The product of its digits is 181440, while the sum is 44.

The square root of 113756849 is about 10665.6855850902. The cubic root of 113756849 is about 484.5357785741.

The spelling of 113756849 in words is "one hundred thirteen million, seven hundred fifty-six thousand, eight hundred forty-nine".

Divisors: 1 73 1558313 113756849