Search a number
-
+
113355551 = 661171491
BaseRepresentation
bin1101100000110…
…10101100011111
321220022001120202
412300122230133
5213004334201
615125334115
72544335441
oct660325437
9256261522
10113355551
1158a93781
1231b6733b
131a63b7ba
14110aa491
159e41c6b
hex6c1ab1f

113355551 has 4 divisors (see below), whose sum is σ = 113527704. Its totient is φ = 113183400.

The previous prime is 113355527. The next prime is 113355553. The reversal of 113355551 is 155553311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113355551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113355553) 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, 85085 + ... + 86406.

It is an arithmetic number, because the mean of its divisors is an integer number (28381926).

Almost surely, 2113355551 is an apocalyptic number.

113355551 is a deficient number, since it is larger than the sum of its proper divisors (172153).

113355551 is an equidigital number, since it uses as much as digits as its factorization.

113355551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172152.

The product of its digits is 5625, while the sum is 29.

The square root of 113355551 is about 10646.8563905033. The cubic root of 113355551 is about 483.9653445464.

The spelling of 113355551 in words is "one hundred thirteen million, three hundred fifty-five thousand, five hundred fifty-one".

Divisors: 1 661 171491 113355551