Search a number
-
+
115138967 = 239481753
BaseRepresentation
bin1101101110011…
…10000110010111
322000122122222012
412313032012113
5213433421332
615231454435
72565444056
oct667160627
9260578865
10115138967
1159aa1679
123268741b
131ab14488
141141239d
15a1953b2
hex6dce197

115138967 has 4 divisors (see below), whose sum is σ = 115620960. Its totient is φ = 114656976.

The previous prime is 115138963. The next prime is 115138997. The reversal of 115138967 is 769831511.

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

It is a cyclic number.

It is not a de Polignac number, because 115138967 - 22 = 115138963 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 (115138963) 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, 240638 + ... + 241115.

It is an arithmetic number, because the mean of its divisors is an integer number (28905240).

Almost surely, 2115138967 is an apocalyptic number.

115138967 is a deficient number, since it is larger than the sum of its proper divisors (481993).

115138967 is an equidigital number, since it uses as much as digits as its factorization.

115138967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481992.

The product of its digits is 45360, while the sum is 41.

The square root of 115138967 is about 10730.2827082980. The cubic root of 115138967 is about 486.4902150602.

The spelling of 115138967 in words is "one hundred fifteen million, one hundred thirty-eight thousand, nine hundred sixty-seven".

Divisors: 1 239 481753 115138967