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389713000 = 2353389713
BaseRepresentation
bin10111001110101…
…000110001101000
31000011022110201211
4113032220301220
51244231304000
6102400522504
712441335335
oct2716506150
91004273654
10389713000
1118aa8a166
12aa620434
136297c211
1439a8798c
15243307ba
hex173a8c68

389713000 has 32 divisors (see below), whose sum is σ = 911930760. Its totient is φ = 155884800.

The previous prime is 389712979. The next prime is 389713003. The reversal of 389713000 is 317983.

It can be written as a sum of positive squares in 4 ways, for example, as 73513476 + 316199524 = 8574^2 + 17782^2 .

It is not an unprimeable number, because it can be changed into a prime (389713003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193857 + ... + 195856.

Almost surely, 2389713000 is an apocalyptic number.

It is an amenable number.

389713000 is an abundant number, since it is smaller than the sum of its proper divisors (522217760).

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

389713000 is a wasteful number, since it uses less digits than its factorization.

389713000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389734 (or 389720 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 389713000 is about 19741.1499158484. The cubic root of 389713000 is about 730.4350943486.

The spelling of 389713000 in words is "three hundred eighty-nine million, seven hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 389713 779426 1558852 1948565 3117704 3897130 7794260 9742825 15588520 19485650 38971300 48714125 77942600 97428250 194856500 389713000