Search a number
-
+
115676905 = 523135381
BaseRepresentation
bin1101110010100…
…01011011101001
322001122222212211
412321101123221
5214103130110
615251205121
72603144311
oct671213351
9261588784
10115676905
115a329853
12328a67a1
131ac72296
1411512441
15a24e98a
hex6e516e9

115676905 has 4 divisors (see below), whose sum is σ = 138812292. Its totient is φ = 92541520.

The previous prime is 115676849. The next prime is 115676933. The reversal of 115676905 is 509676511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509676511 = 1732946107.

It can be written as a sum of positive squares in 2 ways, for example, as 12938409 + 102738496 = 3597^2 + 10136^2 .

It is a de Polignac number, because none of the positive numbers 2k-115676905 is a prime.

It is a super-2 number, since 2×1156769052 = 26762292700758050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11567686 + ... + 11567695.

It is an arithmetic number, because the mean of its divisors is an integer number (34703073).

Almost surely, 2115676905 is an apocalyptic number.

It is an amenable number.

115676905 is a deficient number, since it is larger than the sum of its proper divisors (23135387).

115676905 is an equidigital number, since it uses as much as digits as its factorization.

115676905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135386.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 115676905 is about 10755.3198464760. The cubic root of 115676905 is about 487.2466779429.

The spelling of 115676905 in words is "one hundred fifteen million, six hundred seventy-six thousand, nine hundred five".

Divisors: 1 5 23135381 115676905