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113160809 = 318735507
BaseRepresentation
bin1101011111010…
…11001001101001
321212221011110002
412233223021221
5212432121214
615121232345
72542564616
oct657531151
9255834402
10113160809
1158970433
1231a926b5
131a5a0c78
141105950d
159e041de
hex6beb269

113160809 has 4 divisors (see below), whose sum is σ = 113199504. Its totient is φ = 113122116.

The previous prime is 113160793. The next prime is 113160811. The reversal of 113160809 is 908061311.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 113160809 - 24 = 113160793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113160829) 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, 14567 + ... + 20940.

It is an arithmetic number, because the mean of its divisors is an integer number (28299876).

Almost surely, 2113160809 is an apocalyptic number.

It is an amenable number.

113160809 is a deficient number, since it is larger than the sum of its proper divisors (38695).

113160809 is an equidigital number, since it uses as much as digits as its factorization.

113160809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38694.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 113160809 is about 10637.7069427579. The cubic root of 113160809 is about 483.6880389006.

The spelling of 113160809 in words is "one hundred thirteen million, one hundred sixty thousand, eight hundred nine".

Divisors: 1 3187 35507 113160809