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6138992 = 243112377
BaseRepresentation
bin10111011010110001110000
3102112220010002
4113122301300
53032421432
6335325132
7103115636
oct27326160
912486102
106138992
113513352
1220807a8
13136c352
14b5b356
15813e62
hex5dac70

6138992 has 20 divisors (see below), whose sum is σ = 12278976. Its totient is φ = 2970240.

The previous prime is 6138991. The next prime is 6139019. The reversal of 6138992 is 2998316.

6138992 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138991) 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, 5693 + ... + 6684.

Almost surely, 26138992 is an apocalyptic number.

6138992 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6138992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6138992 is a wasteful number, since it uses less digits than its factorization.

6138992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416 (or 12410 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 6138992 is about 2477.6989324775. The cubic root of 6138992 is about 183.1045020097.

The spelling of 6138992 in words is "six million, one hundred thirty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 31 62 124 248 496 12377 24754 49508 99016 198032 383687 767374 1534748 3069496 6138992