Search a number
-
+
115379137 = 463249199
BaseRepresentation
bin1101110000010…
…00101111000001
322001002212102101
412320020233001
5214014113022
615240550401
72600464216
oct670105701
9261085371
10115379137
115a146065
1232782401
131ab998a3
1411475b0d
15a1e1627
hex6e08bc1

115379137 has 4 divisors (see below), whose sum is σ = 115628800. Its totient is φ = 115129476.

The previous prime is 115379113. The next prime is 115379141. The reversal of 115379137 is 731973511.

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 115379137 - 27 = 115379009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115379096 and 115379105.

It is not an unprimeable number, because it can be changed into a prime (115379107) 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, 124137 + ... + 125062.

It is an arithmetic number, because the mean of its divisors is an integer number (28907200).

Almost surely, 2115379137 is an apocalyptic number.

It is an amenable number.

115379137 is a deficient number, since it is larger than the sum of its proper divisors (249663).

115379137 is an equidigital number, since it uses as much as digits as its factorization.

115379137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249662.

The product of its digits is 19845, while the sum is 37.

The square root of 115379137 is about 10741.4681026385. The cubic root of 115379137 is about 486.8282390798.

The spelling of 115379137 in words is "one hundred fifteen million, three hundred seventy-nine thousand, one hundred thirty-seven".

Divisors: 1 463 249199 115379137