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6117980 = 2251127809
BaseRepresentation
bin10111010101101001011100
3102111211021212
4113111221130
53031233410
6335043552
7103000451
oct27255134
912454255
106117980
1134a9590
1220705b8
13136290b
14b53828
1580cb05
hex5d5a5c

6117980 has 24 divisors (see below), whose sum is σ = 14016240. Its totient is φ = 2224640.

The previous prime is 6117967. The next prime is 6117983. The reversal of 6117980 is 897116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6117983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (584010).

Almost surely, 26117980 is an apocalyptic number.

It is an amenable number.

6117980 is an abundant number, since it is smaller than the sum of its proper divisors (7898260).

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

6117980 is a wasteful number, since it uses less digits than its factorization.

6117980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27829 (or 27827 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 6117980 is about 2473.4550733741. The cubic root of 6117980 is about 182.8953585724.

The spelling of 6117980 in words is "six million, one hundred seventeen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 27809 55618 111236 139045 278090 305899 556180 611798 1223596 1529495 3058990 6117980