Search a number
-
+
113809942 = 256904971
BaseRepresentation
bin1101100100010…
…01101000010110
321221011010220001
412302021220112
5213113404232
615143201514
72551240261
oct662115026
9257133801
10113809942
1159274104
123214629a
131a76a57c
1411187cd8
159ed16e7
hex6c89a16

113809942 has 4 divisors (see below), whose sum is σ = 170714916. Its totient is φ = 56904970.

The previous prime is 113809937. The next prime is 113809963. The reversal of 113809942 is 249908311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28452484 + ... + 28452487.

It is an arithmetic number, because the mean of its divisors is an integer number (42678729).

Almost surely, 2113809942 is an apocalyptic number.

113809942 is a deficient number, since it is larger than the sum of its proper divisors (56904974).

113809942 is an equidigital number, since it uses as much as digits as its factorization.

113809942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56904973.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 113809942 is about 10668.1742580443. The cubic root of 113809942 is about 484.6111482687.

The spelling of 113809942 in words is "one hundred thirteen million, eight hundred nine thousand, nine hundred forty-two".

Divisors: 1 2 56904971 113809942