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6115668 = 22313197199
BaseRepresentation
bin10111010101000101010100
3102111201010020
4113111011110
53031200133
6335025140
7102660636
oct27250524
912451106
106115668
1134a7879
12206b1b0
131361850
14b52a56
1580c0b3
hex5d5154

6115668 has 48 divisors (see below), whose sum is σ = 15523200. Its totient is φ = 1862784.

The previous prime is 6115667. The next prime is 6115679. The reversal of 6115668 is 8665116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115661) 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, 30633 + ... + 30831.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

Almost surely, 26115668 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 6115668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7761600).

6115668 is an abundant number, since it is smaller than the sum of its proper divisors (9407532).

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

6115668 is a wasteful number, since it uses less digits than its factorization.

6115668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 6115668 is about 2472.9876667707. The cubic root of 6115668 is about 182.8723167979.

The spelling of 6115668 in words is "six million, one hundred fifteen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 197 199 394 398 591 597 788 796 1182 1194 2364 2388 2561 2587 5122 5174 7683 7761 10244 10348 15366 15522 30732 31044 39203 78406 117609 156812 235218 470436 509639 1019278 1528917 2038556 3057834 6115668