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113944997 = 197578401
BaseRepresentation
bin1101100101010…
…10100110100101
321221102000011002
412302222212211
5213132214442
615150123045
72552342105
oct662524645
9257360132
10113944997
1159356621
12321b0485
131a7b6b9a
14111c1205
15a00b732
hex6caa9a5

113944997 has 4 divisors (see below), whose sum is σ = 114523596. Its totient is φ = 113366400.

The previous prime is 113944993. The next prime is 113945017. The reversal of 113944997 is 799449311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799449311 = 1634904597.

It can be written as a sum of positive squares in 2 ways, for example, as 108035236 + 5909761 = 10394^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 113944997 - 22 = 113944993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113944991) 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, 289004 + ... + 289397.

It is an arithmetic number, because the mean of its divisors is an integer number (28630899).

Almost surely, 2113944997 is an apocalyptic number.

It is an amenable number.

113944997 is a deficient number, since it is larger than the sum of its proper divisors (578599).

113944997 is an equidigital number, since it uses as much as digits as its factorization.

113944997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578598.

The product of its digits is 244944, while the sum is 47.

The square root of 113944997 is about 10674.5021897979. The cubic root of 113944997 is about 484.8027638858.

The spelling of 113944997 in words is "one hundred thirteen million, nine hundred forty-four thousand, nine hundred ninety-seven".

Divisors: 1 197 578401 113944997