Search a number
-
+
132431 = 1361167
BaseRepresentation
bin100000010101001111
320201122212
4200111033
513214211
62501035
71061045
oct402517
9221585
10132431
1190552
126477b
1348380
1436395
152938b
hex2054f

132431 has 8 divisors (see below), whose sum is σ = 145824. Its totient is φ = 119520.

The previous prime is 132421. The next prime is 132437. The reversal of 132431 is 134231.

132431 = T33 + T34 + ... + T93.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132431 - 26 = 132367 is a prime.

It is a super-2 number, since 2×1324312 = 35075939522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710 + ... + 876.

It is an arithmetic number, because the mean of its divisors is an integer number (18228).

2132431 is an apocalyptic number.

132431 is a deficient number, since it is larger than the sum of its proper divisors (13393).

132431 is a wasteful number, since it uses less digits than its factorization.

132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 72, while the sum is 14.

The square root of 132431 is about 363.9107033326. The cubic root of 132431 is about 50.9717901148.

Adding to 132431 its reverse (134231), we get a palindrome (266662).

The spelling of 132431 in words is "one hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 13 61 167 793 2171 10187 132431