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393012572 = 22971012919
BaseRepresentation
bin10111011011001…
…110010101011100
31000101112002220012
4113123032111130
51301102400242
6102555342352
712511360151
oct2733162534
91011462805
10393012572
11191933187
12ab7519b8
1363566024
143a2a6228
1524783282
hex176ce55c

393012572 has 12 divisors (see below), whose sum is σ = 694863120. Its totient is φ = 194480256.

The previous prime is 393012559. The next prime is 393012583. The reversal of 393012572 is 275210393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506072 + ... + 506847.

It is an arithmetic number, because the mean of its divisors is an integer number (57905260).

Almost surely, 2393012572 is an apocalyptic number.

It is an amenable number.

393012572 is a deficient number, since it is larger than the sum of its proper divisors (301850548).

393012572 is a wasteful number, since it uses less digits than its factorization.

393012572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013020 (or 1013018 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 393012572 is about 19824.5446858181. The cubic root of 393012572 is about 732.4907550465.

The spelling of 393012572 in words is "three hundred ninety-three million, twelve thousand, five hundred seventy-two".

Divisors: 1 2 4 97 194 388 1012919 2025838 4051676 98253143 196506286 393012572