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2884980 = 223576869
BaseRepresentation
bin1011000000010101110100
312102120110010
423000111310
51214304410
6141500220
733344010
oct13002564
95376403
102884980
1116a058a
12b71670
137a01b7
14551540
153bec20
hex2c0574

2884980 has 48 divisors (see below), whose sum is σ = 9233280. Its totient is φ = 659328.

The previous prime is 2884967. The next prime is 2884991. The reversal of 2884980 is 894882.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (192360).

22884980 is an apocalyptic number.

2884980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2884980 is an abundant number, since it is smaller than the sum of its proper divisors (6348300).

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

2884980 is a wasteful number, since it uses less digits than its factorization.

2884980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2884980 is about 1698.5228876880. The cubic root of 2884980 is about 142.3576911087.

The spelling of 2884980 in words is "two million, eight hundred eighty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 6869 13738 20607 27476 34345 41214 48083 68690 82428 96166 103035 137380 144249 192332 206070 240415 288498 412140 480830 576996 721245 961660 1442490 2884980