Search a number
-
+
253911113 = 11314992
BaseRepresentation
bin11110010001001…
…10000001001001
3122200210000120022
433020212001021
51010000123423
641110110225
76202131431
oct1710460111
9580700508
10253911113
111203651a5
127104b375
13407b1981
1425a172c1
1517457dc8
hexf226049

253911113 has 6 divisors (see below), whose sum is σ = 256329114. Its totient is φ = 251496224.

The previous prime is 253911101. The next prime is 253911121. The reversal of 253911113 is 311119352.

It can be written as a sum of positive squares in only one way, i.e., 143808064 + 110103049 = 11992^2 + 10493^2 .

It is not a de Polignac number, because 253911113 - 28 = 253910857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253911013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168638 + ... + 170136.

It is an arithmetic number, because the mean of its divisors is an integer number (42721519).

Almost surely, 2253911113 is an apocalyptic number.

It is an amenable number.

253911113 is a deficient number, since it is larger than the sum of its proper divisors (2418001).

253911113 is an frugal number, since it uses more digits than its factorization.

253911113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 1612 counting only the distinct ones).

The product of its digits is 810, while the sum is 26.

The square root of 253911113 is about 15934.5885732892. The cubic root of 253911113 is about 633.2286700237.

The spelling of 253911113 in words is "two hundred fifty-three million, nine hundred eleven thousand, one hundred thirteen".

Divisors: 1 113 1499 169387 2247001 253911113