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2874980 = 225433343
BaseRepresentation
bin1010111101111001100100
312102001201202
422331321210
51213444410
6141342032
733302603
oct12757144
95361652
102874980
111694019
12b67918
13798794
1454ba3a
153bbca5
hex2bde64

2874980 has 24 divisors (see below), whose sum is σ = 6179712. Its totient is φ = 1122912.

The previous prime is 2874979. The next prime is 2875001. The reversal of 2874980 is 894782.

It is an unprimeable number.

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, 812 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (257488).

22874980 is an apocalyptic number.

2874980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2874980 is an abundant number, since it is smaller than the sum of its proper divisors (3304732).

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

2874980 is a wasteful number, since it uses less digits than its factorization.

2874980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2874980 is about 1695.5765980928. The cubic root of 2874980 is about 142.1930192681.

The spelling of 2874980 in words is "two million, eight hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 3343 6686 13372 16715 33430 66860 143749 287498 574996 718745 1437490 2874980