Search a number
-
+
113576977 = 73221313
BaseRepresentation
bin1101100010100…
…00110000010001
321220201022022201
412301100300101
5213033430402
615134203201
72546250133
oct661206021
9256638281
10113576977
1159125078
1232053501
131a6b8517
1411127053
159e87687
hex6c50c11

113576977 has 6 divisors (see below), whose sum is σ = 115159542. Its totient is φ = 112015872.

The previous prime is 113576971. The next prime is 113576987. The reversal of 113576977 is 779675311.

It can be written as a sum of positive squares in 3 ways, for example, as 12453841 + 101123136 = 3529^2 + 10056^2 .

It is not a de Polignac number, because 113576977 - 27 = 113576849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113576971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5328 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (19193257).

Almost surely, 2113576977 is an apocalyptic number.

113576977 is the 5329-th decagonal number.

It is an amenable number.

113576977 is a deficient number, since it is larger than the sum of its proper divisors (1582565).

113576977 is an frugal number, since it uses more digits than its factorization.

113576977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21459 (or 21386 counting only the distinct ones).

The product of its digits is 277830, while the sum is 46.

The square root of 113576977 is about 10657.2499736095. The cubic root of 113576977 is about 484.2802616629.

The spelling of 113576977 in words is "one hundred thirteen million, five hundred seventy-six thousand, nine hundred seventy-seven".

Divisors: 1 73 5329 21313 1555849 113576977