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82752878224 = 24719172
BaseRepresentation
bin100110100010001110…
…1001011011010010000
321220121012010202222201
41031010131023122100
52323434214100344
6102003253212544
75656456600432
oct1150435133220
9256535122881
1082752878224
113210592a255
1214055931154
137a5a573a43
144010614652
152244eeb4d4
hex134474b690

82752878224 has 15 divisors (see below), whose sum is σ = 160335931017. Its totient is φ = 41375863776.

The previous prime is 82752878161. The next prime is 82752878237. The reversal of 82752878224 is 42287825728.

The square root of 82752878224 is 287668.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22614144400 + 60138733824 = 150380^2 + 245232^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1114714 + ... + 1186630.

Almost surely, 282752878224 is an apocalyptic number.

82752878224 is the 287668-th square number.

It is an amenable number.

82752878224 is a deficient number, since it is larger than the sum of its proper divisors (77583052793).

82752878224 is an frugal number, since it uses more digits than its factorization.

82752878224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143842 (or 71919 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 55.

The spelling of 82752878224 in words is "eighty-two billion, seven hundred fifty-two million, eight hundred seventy-eight thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 71917 143834 287668 575336 1150672 5172054889 10344109778 20688219556 41376439112 82752878224