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132520 = 2353313
BaseRepresentation
bin100000010110101000
320201210011
4200112220
513220040
62501304
71061233
oct402650
9221704
10132520
1190623
1264834
134841b
143641a
15293ea
hex205a8

132520 has 16 divisors (see below), whose sum is σ = 298260. Its totient is φ = 52992.

The previous prime is 132511. The next prime is 132523. The reversal of 132520 is 25231.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 4356 = 358^2 + 66^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132520.

It is not an unprimeable number, because it can be changed into a prime (132523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617 + ... + 1696.

2132520 is an apocalyptic number.

132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132520 is an abundant number, since it is smaller than the sum of its proper divisors (165740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132520 is a wasteful number, since it uses less digits than its factorization.

132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 132520 is about 364.0329655402. The cubic root of 132520 is about 50.9832060558.

Adding to 132520 its reverse (25231), we get a palindrome (157751).

The spelling of 132520 in words is "one hundred thirty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3313 6626 13252 16565 26504 33130 66260 132520