Search a number
6139992 = 23317101149
BaseRepresentation
bin10111011011000001011000
3102112221111010
4113123001120
53032434432
6335333520
7103121565
oct27330130
912487433
106139992
113514081
1220812a0
13136c941
14b5b86c
158143cc
hex5db058

6139992 has 64 divisors (see below), whose sum is σ = 16524000. Its totient is φ = 1894400.

The previous prime is 6139979. The next prime is 6139993. The reversal of 6139992 is 2999316.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6139992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41134 + ... + 41282.

Almost surely, 26139992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6139992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8262000).

6139992 is an abundant number, since it is smaller than the sum of its proper divisors (10384008).

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

6139992 is a wasteful number, since it uses less digits than its factorization.

6139992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 272 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 6139992 is about 2477.9007244036. The cubic root of 6139992 is about 183.1144436288.

The spelling of 6139992 in words is "six million, one hundred thirty-nine thousand, nine hundred ninety-two".