Search a number
-
+
116792581 = 764915269
BaseRepresentation
bin1101111011000…
…01110100000101
322010202200022011
412331201310011
5214344330311
615331134221
72615502103
oct675416405
9263680264
10116792581
115aa20aa4
1233144371
131b273049
1411722c73
15a3c0321
hex6f61d05

116792581 has 4 divisors (see below), whose sum is σ = 116815500. Its totient is φ = 116769664.

The previous prime is 116792579. The next prime is 116792587. The reversal of 116792581 is 185297611.

It is a happy number.

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 24344356 + 92448225 = 4934^2 + 9615^2 .

It is a cyclic number.

It is not a de Polignac number, because 116792581 - 21 = 116792579 is a prime.

It is a super-2 number, since 2×1167925812 = 27281013953283122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116792587) 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, 15 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (29203875).

Almost surely, 2116792581 is an apocalyptic number.

It is an amenable number.

116792581 is a deficient number, since it is larger than the sum of its proper divisors (22919).

116792581 is an equidigital number, since it uses as much as digits as its factorization.

116792581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22918.

The product of its digits is 30240, while the sum is 40.

The square root of 116792581 is about 10807.0616265477. The cubic root of 116792581 is about 488.8081278231.

The spelling of 116792581 in words is "one hundred sixteen million, seven hundred ninety-two thousand, five hundred eighty-one".

Divisors: 1 7649 15269 116792581