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2890400 = 25523613
BaseRepresentation
bin1011000001101010100000
312102211212212
423001222200
51214443100
6141541252
733365552
oct13015240
95384785
102890400
1116a4667
12b74828
137a27c6
145534d2
153c1635
hex2c1aa0

2890400 has 36 divisors (see below), whose sum is σ = 7058142. Its totient is φ = 1155840.

The previous prime is 2890399. The next prime is 2890411. The reversal of 2890400 is 40982.

It can be written as a sum of positive squares in 3 ways, for example, as 1073296 + 1817104 = 1036^2 + 1348^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1007 + ... + 2606.

22890400 is an apocalyptic number.

2890400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890400 is an abundant number, since it is smaller than the sum of its proper divisors (4167742).

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

2890400 is a wasteful number, since it uses less digits than its factorization.

2890400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2890400 is about 1700.1176429883. The cubic root of 2890400 is about 142.4467842743.

The spelling of 2890400 in words is "two million, eight hundred ninety thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 3613 7226 14452 18065 28904 36130 57808 72260 90325 115616 144520 180650 289040 361300 578080 722600 1445200 2890400