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6139385 = 57175411
BaseRepresentation
bin10111011010110111111001
3102112220122122
4113122313321
53032430020
6335331025
7103120040
oct27326771
912486578
106139385
11351367a
122080a75
13136c595
14b5b557
15814125
hex5dadf9

6139385 has 8 divisors (see below), whose sum is σ = 8419776. Its totient is φ = 4209840.

The previous prime is 6139379. The next prime is 6139391. The reversal of 6139385 is 5839316.

It is an interprime number because it is at equal distance from previous prime (6139379) and next prime (6139391).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6139385 - 24 = 6139369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 175411 = 6139385 / (6 + 1 + 3 + 9 + 3 + 8 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87671 + ... + 87740.

It is an arithmetic number, because the mean of its divisors is an integer number (1052472).

Almost surely, 26139385 is an apocalyptic number.

It is an amenable number.

6139385 is a deficient number, since it is larger than the sum of its proper divisors (2280391).

6139385 is a wasteful number, since it uses less digits than its factorization.

6139385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175423.

The product of its digits is 19440, while the sum is 35.

The square root of 6139385 is about 2477.7782386646. The cubic root of 6139385 is about 183.1084091948.

The spelling of 6139385 in words is "six million, one hundred thirty-nine thousand, three hundred eighty-five".

Divisors: 1 5 7 35 175411 877055 1227877 6139385