Search a number
-
+
231346148 = 221137913873
BaseRepresentation
bin11011100101000…
…00111111100100
3121010022121020212
431302200333210
5433211034043
634542314552
75506260365
oct1562407744
9533277225
10231346148
11109652870
1265588a58
1338c10c17
1422a21b6c
151549c018
hexdca0fe4

231346148 has 24 divisors (see below), whose sum is σ = 442858080. Its totient is φ = 104872320.

The previous prime is 231346133. The next prime is 231346151. The reversal of 231346148 is 841643132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9740 + ... + 23612.

It is an arithmetic number, because the mean of its divisors is an integer number (18452420).

Almost surely, 2231346148 is an apocalyptic number.

It is an amenable number.

231346148 is a deficient number, since it is larger than the sum of its proper divisors (211511932).

231346148 is a wasteful number, since it uses less digits than its factorization.

231346148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14267 (or 14265 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 231346148 is about 15210.0673239799. The cubic root of 231346148 is about 613.8855689729.

The spelling of 231346148 in words is "two hundred thirty-one million, three hundred forty-six thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 379 758 1516 4169 8338 13873 16676 27746 55492 152603 305206 610412 5257867 10515734 21031468 57836537 115673074 231346148