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113140897 = 971166401
BaseRepresentation
bin1101011111001…
…10010010100001
321212220011010121
412233212102201
5212431002042
615121000241
72542452562
oct657462241
9255804117
10113140897
1158957481
1231a83081
131a594b9c
1411052169
159ded367
hex6be64a1

113140897 has 4 divisors (see below), whose sum is σ = 114307396. Its totient is φ = 111974400.

The previous prime is 113140883. The next prime is 113140903. The reversal of 113140897 is 798041311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94400656 + 18740241 = 9716^2 + 4329^2 .

It is a cyclic number.

It is not a de Polignac number, because 113140897 - 211 = 113138849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113140817) 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, 583104 + ... + 583297.

It is an arithmetic number, because the mean of its divisors is an integer number (28576849).

Almost surely, 2113140897 is an apocalyptic number.

It is an amenable number.

113140897 is a deficient number, since it is larger than the sum of its proper divisors (1166499).

113140897 is an equidigital number, since it uses as much as digits as its factorization.

113140897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166498.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 113140897 is about 10636.7709855952. The cubic root of 113140897 is about 483.6596670014.

It can be divided in two parts, 1131408 and 97, that multiplied together give a square (109746576 = 104762).

The spelling of 113140897 in words is "one hundred thirteen million, one hundred forty thousand, eight hundred ninety-seven".

Divisors: 1 97 1166401 113140897