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290189682 = 2335373883
BaseRepresentation
bin10001010010111…
…111000101110010
3202020001011102000
4101102333011302
51043242032212
644443434430
710122400026
oct2122770562
9666034360
10290189682
11139893892
1281225a16
1348174693
142a77c386
151a7221dc
hex114bf172

290189682 has 16 divisors (see below), whose sum is σ = 644866080. Its totient is φ = 96729876.

The previous prime is 290189659. The next prime is 290189707. The reversal of 290189682 is 286981092.

It is a super-2 number, since 2×2901896822 = 168420103078522248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686888 + ... + 2686995.

It is an arithmetic number, because the mean of its divisors is an integer number (40304130).

Almost surely, 2290189682 is an apocalyptic number.

290189682 is an abundant number, since it is smaller than the sum of its proper divisors (354676398).

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

290189682 is a wasteful number, since it uses less digits than its factorization.

290189682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373894 (or 5373888 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 290189682 is about 17034.9547108291. The cubic root of 290189682 is about 662.0548765977.

The spelling of 290189682 in words is "two hundred ninety million, one hundred eighty-nine thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 5373883 10747766 16121649 32243298 48364947 96729894 145094841 290189682