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132555220 = 2257946823
BaseRepresentation
bin1111110011010…
…10000111010100
3100020102111120121
413321222013110
5232413231340
621053041324
73166462240
oct771520724
9306374517
10132555220
1168907776
1238486244
1321601855
1413867420
15b98594a
hex7e6a1d4

132555220 has 24 divisors (see below), whose sum is σ = 318132864. Its totient is φ = 45447456.

The previous prime is 132555217. The next prime is 132555277. The reversal of 132555220 is 22555231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473272 + ... + 473551.

It is an arithmetic number, because the mean of its divisors is an integer number (13255536).

Almost surely, 2132555220 is an apocalyptic number.

132555220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132555220 is an abundant number, since it is smaller than the sum of its proper divisors (185577644).

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

132555220 is a wasteful number, since it uses less digits than its factorization.

132555220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946839 (or 946837 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 132555220 is about 11513.2627868906. The cubic root of 132555220 is about 509.8772227839.

The spelling of 132555220 in words is "one hundred thirty-two million, five hundred fifty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 946823 1893646 3787292 4734115 6627761 9468230 13255522 18936460 26511044 33138805 66277610 132555220