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2986980 = 223549783
BaseRepresentation
bin1011011001001111100100
312121202100220
423121033210
51231040410
6144004340
734250253
oct13311744
95552326
102986980
111760187
1210006b0
13807759
1457a79a
153e0070
hex2d93e4

2986980 has 24 divisors (see below), whose sum is σ = 8363712. Its totient is φ = 796512.

The previous prime is 2986979. The next prime is 2986999. The reversal of 2986980 is 896892.

It is a super-3 number, since 3×29869803 = 79949950429333176000, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24832 + ... + 24951.

It is an arithmetic number, because the mean of its divisors is an integer number (348488).

22986980 is an apocalyptic number.

2986980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2986980 is an abundant number, since it is smaller than the sum of its proper divisors (5376732).

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

2986980 is a wasteful number, since it uses less digits than its factorization.

2986980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49795 (or 49793 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2986980 is about 1728.2881704160. The cubic root of 2986980 is about 144.0160090226.

The spelling of 2986980 in words is "two million, nine hundred eighty-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 49783 99566 149349 199132 248915 298698 497830 597396 746745 995660 1493490 2986980