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132507720 = 23325368077
BaseRepresentation
bin1111110010111…
…10100001001000
3100020100002102100
413321132201020
5232410221340
621052033400
73166203612
oct771364110
9306302370
10132507720
1168885014
1238462860
13215b6047
1413853db2
15b976830
hex7e5e848

132507720 has 48 divisors (see below), whose sum is σ = 430651260. Its totient is φ = 35335296.

The previous prime is 132507719. The next prime is 132507731. The reversal of 132507720 is 27705231.

132507720 is a `hidden beast` number, since 132 + 507 + 7 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122810724 + 9696996 = 11082^2 + 3114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183679 + ... + 184398.

Almost surely, 2132507720 is an apocalyptic number.

132507720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132507720 is an abundant number, since it is smaller than the sum of its proper divisors (298143540).

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

132507720 is a wasteful number, since it uses less digits than its factorization.

132507720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368094 (or 368087 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 132507720 is about 11511.1997637084. The cubic root of 132507720 is about 509.8163121647.

The spelling of 132507720 in words is "one hundred thirty-two million, five hundred seven thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 368077 736154 1104231 1472308 1840385 2208462 2944616 3312693 3680770 4416924 5521155 6625386 7361540 8833848 11042310 13250772 14723080 16563465 22084620 26501544 33126930 44169240 66253860 132507720