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6139693 = 73072857
BaseRepresentation
bin10111011010111100101101
3102112221002001
4113122330231
53032432233
6335332301
7103120660
oct27327455
912487061
106139693
11351392a
122081091
13136c771
14b5b6d7
1581427d
hex5daf2d

6139693 has 8 divisors (see below), whose sum is σ = 7042112. Its totient is φ = 5243616.

The previous prime is 6139691. The next prime is 6139697. The reversal of 6139693 is 3969316.

6139693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6139693 - 21 = 6139691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139691) 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, 721 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (880264).

Almost surely, 26139693 is an apocalyptic number.

It is an amenable number.

6139693 is a deficient number, since it is larger than the sum of its proper divisors (902419).

6139693 is a wasteful number, since it uses less digits than its factorization.

6139693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171.

The product of its digits is 26244, while the sum is 37.

The square root of 6139693 is about 2477.8403903399. The cubic root of 6139693 is about 183.1114711979. Note that the first 3 decimals are identical.

The spelling of 6139693 in words is "six million, one hundred thirty-nine thousand, six hundred ninety-three".

Divisors: 1 7 307 2149 2857 19999 877099 6139693