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2552990 = 251123209
BaseRepresentation
bin1001101111010010011110
311210201001012
421233102132
51123143430
6130415222
730462056
oct11572236
94721035
102552990
111494110
12a31512
136b505b
144a6566
15356695
hex26f49e

2552990 has 16 divisors (see below), whose sum is σ = 5013360. Its totient is φ = 928320.

The previous prime is 2552987. The next prime is 2553017. The reversal of 2552990 is 992552.

It is a Curzon number.

It is a congruent number.

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, 11495 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (313335).

22552990 is an apocalyptic number.

2552990 is a deficient number, since it is larger than the sum of its proper divisors (2460370).

2552990 is a wasteful number, since it uses less digits than its factorization.

2552990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23227.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 2552990 is about 1597.8078733064. The cubic root of 2552990 is about 136.6730977210.

The spelling of 2552990 in words is "two million, five hundred fifty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 23209 46418 116045 232090 255299 510598 1276495 2552990