Search a number
-
+
231076153 = 71125711677
BaseRepresentation
bin11011100010111…
…11000100111001
3121002210212220001
431301133010321
5433123414103
634532433001
75504054260
oct1561370471
9532725801
10231076153
11109488a30
1265478761
1338b48069
14229915d7
151544701d
hexdc5f139

231076153 has 16 divisors (see below), whose sum is σ = 289240704. Its totient is φ = 179343360.

The previous prime is 231076151. The next prime is 231076177. The reversal of 231076153 is 351670132.

It is not a de Polignac number, because 231076153 - 21 = 231076151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231076151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13951 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (18077544).

Almost surely, 2231076153 is an apocalyptic number.

It is an amenable number.

231076153 is a deficient number, since it is larger than the sum of its proper divisors (58164551).

231076153 is a wasteful number, since it uses less digits than its factorization.

231076153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 231076153 is about 15201.1891969017. The cubic root of 231076153 is about 613.6466620996.

The spelling of 231076153 in words is "two hundred thirty-one million, seventy-six thousand, one hundred fifty-three".

Divisors: 1 7 11 77 257 1799 2827 11677 19789 81739 128447 899129 3000989 21006923 33010879 231076153