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20082590 = 2511792311
BaseRepresentation
bin100110010011…
…0111110011110
31101210022010122
41030212332132
520120120330
61554234542
7332461553
oct114467636
941708118
1020082590
1110377390
126885a52
134211bb8
14294aa2a
151b6a5e5
hex1326f9e

20082590 has 32 divisors (see below), whose sum is σ = 39951360. Its totient is φ = 7207200.

The previous prime is 20082577. The next prime is 20082619. The reversal of 20082590 is 9528002.

It is a super-2 number, since 2×200825902 = 806620842216200, 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 15 ways as a sum of consecutive naturals, for example, 7535 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (1248480).

Almost surely, 220082590 is an apocalyptic number.

20082590 is a deficient number, since it is larger than the sum of its proper divisors (19868770).

20082590 is a wasteful number, since it uses less digits than its factorization.

20082590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408.

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

The square root of 20082590 is about 4481.3602845565. The cubic root of 20082590 is about 271.8148881062.

The spelling of 20082590 in words is "twenty million, eighty-two thousand, five hundred ninety".

Divisors: 1 2 5 10 11 22 55 79 110 158 395 790 869 1738 2311 4345 4622 8690 11555 23110 25421 50842 127105 182569 254210 365138 912845 1825690 2008259 4016518 10041295 20082590