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389713325 = 5215588533
BaseRepresentation
bin10111001110101…
…000110110101101
31000011022111011212
4113032220312231
51244231311300
6102400524205
712441336311
oct2716506655
91004274155
10389713325
1118aa8a431
12aa620665
136297c401
1439a87b41
1524330935
hex173a8dad

389713325 has 6 divisors (see below), whose sum is σ = 483244554. Its totient is φ = 311770640.

The previous prime is 389713319. The next prime is 389713381. The reversal of 389713325 is 523317983.

It can be written as a sum of positive squares in 3 ways, for example, as 3433609 + 386279716 = 1853^2 + 19654^2 .

It is not a de Polignac number, because 389713325 - 28 = 389713069 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 7794242 + ... + 7794291.

It is an arithmetic number, because the mean of its divisors is an integer number (80540759).

Almost surely, 2389713325 is an apocalyptic number.

It is an amenable number.

389713325 is a deficient number, since it is larger than the sum of its proper divisors (93531229).

389713325 is a wasteful number, since it uses less digits than its factorization.

389713325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588543 (or 15588538 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 389713325 is about 19741.1581473833. The cubic root of 389713325 is about 730.4352973966.

The spelling of 389713325 in words is "three hundred eighty-nine million, seven hundred thirteen thousand, three hundred twenty-five".

Divisors: 1 5 25 15588533 77942665 389713325