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6139889 = 72114157
BaseRepresentation
bin10111011010111111110001
3102112221100022
4113122333301
53032434024
6335333225
7103121360
oct27327761
912487308
106139889
113513a98
122081215
13136c892
14b5b7d7
1581435e
hex5daff1

6139889 has 8 divisors (see below), whose sum is σ = 7051968. Its totient is φ = 5236560.

The previous prime is 6139883. The next prime is 6139897. The reversal of 6139889 is 9889316.

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

It is not a de Polignac number, because 6139889 - 216 = 6074353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6139883) 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, 602 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (881496).

Almost surely, 26139889 is an apocalyptic number.

It is an amenable number.

6139889 is a deficient number, since it is larger than the sum of its proper divisors (912079).

6139889 is a wasteful number, since it uses less digits than its factorization.

6139889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 93312, while the sum is 44.

The square root of 6139889 is about 2477.8799405944. The cubic root of 6139889 is about 183.1134196919.

The spelling of 6139889 in words is "six million, one hundred thirty-nine thousand, eight hundred eighty-nine".

Divisors: 1 7 211 1477 4157 29099 877127 6139889