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2990560 = 25518691
BaseRepresentation
bin1011011010000111100000
312121221021111
423122013200
51231144220
6144033104
734263556
oct13320740
95557244
102990560
111762941
121002794
13809281
1457bbd6
153e115a
hex2da1e0

2990560 has 24 divisors (see below), whose sum is σ = 7065576. Its totient is φ = 1196160.

The previous prime is 2990557. The next prime is 2990587. The reversal of 2990560 is 650992.

It is a super-2 number, since 2×29905602 = 17886898227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9186 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (294399).

22990560 is an apocalyptic number.

2990560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2990560 is an abundant number, since it is smaller than the sum of its proper divisors (4075016).

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

2990560 is a wasteful number, since it uses less digits than its factorization.

2990560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18706 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2990560 is about 1729.3235671788. The cubic root of 2990560 is about 144.0735221262.

The spelling of 2990560 in words is "two million, nine hundred ninety thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 18691 37382 74764 93455 149528 186910 299056 373820 598112 747640 1495280 2990560