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38889682 = 2137121067
BaseRepresentation
bin1001010001011…
…0100011010010
32201011210121121
42110112203102
534423432212
63505312454
7651361666
oct224264322
981153547
1038889682
111aa52437
121103572a
138098360
1452448a6
153632d07
hex25168d2

38889682 has 16 divisors (see below), whose sum is σ = 63709632. Its totient is φ = 17695440.

The previous prime is 38889677. The next prime is 38889703. The reversal of 38889682 is 28698883.

It is a happy number.

It is a super-2 number, since 2×388896822 = 3024814732122248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8688 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (3981852).

Almost surely, 238889682 is an apocalyptic number.

38889682 is a deficient number, since it is larger than the sum of its proper divisors (24819950).

38889682 is a wasteful number, since it uses less digits than its factorization.

38889682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153.

The product of its digits is 1327104, while the sum is 52.

The square root of 38889682 is about 6236.1592346572. The cubic root of 38889682 is about 338.8010887757.

The spelling of 38889682 in words is "thirty-eight million, eight hundred eighty-nine thousand, six hundred eighty-two".

Divisors: 1 2 13 26 71 142 923 1846 21067 42134 273871 547742 1495757 2991514 19444841 38889682