Search a number
-
+
231262132 = 2257815533
BaseRepresentation
bin11011100100011…
…00011110110100
3121010011100000011
431302030132310
5433200342012
634540430004
75505460423
oct1562143664
9533140004
10231262132
111095a5732
1265548304
1338bb18ca
14229dd2ba
15154821a7
hexdc8c7b4

231262132 has 6 divisors (see below), whose sum is σ = 404708738. Its totient is φ = 115631064.

The previous prime is 231262121. The next prime is 231262133.

231262132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 230857636 + 404496 = 15194^2 + 636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231262133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28907763 + ... + 28907770.

Almost surely, 2231262132 is an apocalyptic number.

It is an amenable number.

231262132 is a deficient number, since it is larger than the sum of its proper divisors (173446606).

231262132 is a wasteful number, since it uses less digits than its factorization.

231262132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57815537 (or 57815535 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 231262132 is about 15207.3052182167. The cubic root of 231262132 is about 613.8112467863.

The spelling of 231262132 in words is "two hundred thirty-one million, two hundred sixty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 57815533 115631066 231262132