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132720610 = 25113138921
BaseRepresentation
bin1111110100100…
…10011111100010
3100020201220110011
413322102133202
5232434024420
621100355134
73201051361
oct772223742
9306656404
10132720610
1168a0aa60
1238545aaa
132165bc09
14138ab7d8
15b9b995a
hex7e927e2

132720610 has 32 divisors (see below), whose sum is σ = 269028864. Its totient is φ = 46704000.

The previous prime is 132720589. The next prime is 132720611. The reversal of 132720610 is 16027231.

It is a super-2 number, since 2×1327206102 = 35229520637544200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (132720611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16051 + ... + 22870.

It is an arithmetic number, because the mean of its divisors is an integer number (8407152).

Almost surely, 2132720610 is an apocalyptic number.

132720610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132720610 is an abundant number, since it is smaller than the sum of its proper divisors (136308254).

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

132720610 is a wasteful number, since it uses less digits than its factorization.

132720610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38970.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 132720610 is about 11520.4431338382. The cubic root of 132720610 is about 510.0891936785.

Adding to 132720610 its reverse (16027231), we get a palindrome (148747841).

The spelling of 132720610 in words is "one hundred thirty-two million, seven hundred twenty thousand, six hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 38921 77842 194605 389210 428131 856262 1206551 2140655 2413102 4281310 6032755 12065510 13272061 26544122 66360305 132720610