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2520890 = 25793191
BaseRepresentation
bin1001100111011100111010
311202002000022
421213130322
51121132030
6130010442
730266351
oct11473472
94662008
102520890
111471a89
12a16a22
136a3568
14498998
1534bde5
hex26773a

2520890 has 16 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 995280.

The previous prime is 2520887. The next prime is 2520907. The reversal of 2520890 is 980252.

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, 806 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

22520890 is an apocalyptic number.

2520890 is a deficient number, since it is larger than the sum of its proper divisors (2075590).

2520890 is a wasteful number, since it uses less digits than its factorization.

2520890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2520890 is about 1587.7310855431. The cubic root of 2520890 is about 136.0978606503.

The spelling of 2520890 in words is "two million, five hundred twenty thousand, eight hundred ninety".

Divisors: 1 2 5 10 79 158 395 790 3191 6382 15955 31910 252089 504178 1260445 2520890