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132774820 = 2256638741
BaseRepresentation
bin1111110100111…
…11101110100100
3100020211122210221
413322133232210
5232442243240
621101454124
73201365413
oct772375644
9306748727
10132774820
1168a47762
1238571344
132167a7a9
14138c347a
15b9caa4a
hex7e9fba4

132774820 has 12 divisors (see below), whose sum is σ = 278827164. Its totient is φ = 53109920.

The previous prime is 132774799. The next prime is 132774871. The reversal of 132774820 is 28477231.

It can be written as a sum of positive squares in 2 ways, for example, as 70963776 + 61811044 = 8424^2 + 7862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319351 + ... + 3319390.

It is an arithmetic number, because the mean of its divisors is an integer number (23235597).

Almost surely, 2132774820 is an apocalyptic number.

132774820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132774820 is an abundant number, since it is smaller than the sum of its proper divisors (146052344).

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

132774820 is a wasteful number, since it uses less digits than its factorization.

132774820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638750 (or 6638748 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 132774820 is about 11522.7956677188. The cubic root of 132774820 is about 510.1586332107.

The spelling of 132774820 in words is "one hundred thirty-two million, seven hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 6638741 13277482 26554964 33193705 66387410 132774820