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389524713 = 3129841571
BaseRepresentation
bin10111001101111…
…010110011101001
31000010221220110020
4113031322303221
51244204242323
6102352511053
712436622364
oct2715726351
91003856406
10389524713
1118a970756
12aa54b489
13629145c6
1439a390db
15242e4ae3
hex1737ace9

389524713 has 4 divisors (see below), whose sum is σ = 519366288. Its totient is φ = 259683140.

The previous prime is 389524687. The next prime is 389524739. The reversal of 389524713 is 317425983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (389524687) and next prime (389524739).

It is a cyclic number.

It is not a de Polignac number, because 389524713 - 213 = 389516521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389524763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64920783 + ... + 64920788.

It is an arithmetic number, because the mean of its divisors is an integer number (129841572).

Almost surely, 2389524713 is an apocalyptic number.

It is an amenable number.

389524713 is a deficient number, since it is larger than the sum of its proper divisors (129841575).

389524713 is a wasteful number, since it uses less digits than its factorization.

389524713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129841574.

The product of its digits is 181440, while the sum is 42.

The square root of 389524713 is about 19736.3804432322. The cubic root of 389524713 is about 730.3174405986.

The spelling of 389524713 in words is "three hundred eighty-nine million, five hundred twenty-four thousand, seven hundred thirteen".

Divisors: 1 3 129841571 389524713