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132431233 = 1121094473
BaseRepresentation
bin1111110010010…
…11110110000001
3100020012012111111
413321023312001
5232400244413
621050243321
73165434614
oct771136601
9306165444
10132431233
1168832600
1238426541
132158a29c
141383417b
15b95dd3d
hex7e4bd81

132431233 has 6 divisors (see below), whose sum is σ = 145565042. Its totient is φ = 120391920.

The previous prime is 132431219. The next prime is 132431237. The reversal of 132431233 is 332134231.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 28227969 = 10208^2 + 5313^2 .

It is not a de Polignac number, because 132431233 - 221 = 130334081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132431237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 547116 + ... + 547357.

Almost surely, 2132431233 is an apocalyptic number.

It is an amenable number.

132431233 is a deficient number, since it is larger than the sum of its proper divisors (13133809).

132431233 is a wasteful number, since it uses less digits than its factorization.

132431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094495 (or 1094484 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 132431233 is about 11507.8769979523. The cubic root of 132431233 is about 509.7182000811.

Adding to 132431233 its reverse (332134231), we get a palindrome (464565464).

The spelling of 132431233 in words is "one hundred thirty-two million, four hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 11 121 1094473 12039203 132431233