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16239682 = 2113181397
BaseRepresentation
bin111101111100…
…110001000010
31010120001122201
4331330301002
513124132212
61340023414
7255015004
oct75746102
933501581
1016239682
119192128
125531b6a
1334979a4
14222a374
15165bb57
hexf7cc42

16239682 has 16 divisors (see below), whose sum is σ = 24773112. Its totient is φ = 7983360.

The previous prime is 16239631. The next prime is 16239719. The reversal of 16239682 is 28693261.

It can be written as a sum of positive squares in 4 ways, for example, as 5157441 + 11082241 = 2271^2 + 3329^2 .

It is a super-2 number, since 2×162396822 = 527454542922248, which contains 22 as substring.

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, 40708 + ... + 41104.

Almost surely, 216239682 is an apocalyptic number.

16239682 is a deficient number, since it is larger than the sum of its proper divisors (8533430).

16239682 is a wasteful number, since it uses less digits than its factorization.

16239682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 31104, while the sum is 37.

The square root of 16239682 is about 4029.8488805413. The cubic root of 16239682 is about 253.2362304829.

The spelling of 16239682 in words is "sixteen million, two hundred thirty-nine thousand, six hundred eighty-two".

Divisors: 1 2 113 181 226 362 397 794 20453 40906 44861 71857 89722 143714 8119841 16239682