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16380668 = 2237310979
BaseRepresentation
bin111110011111…
…001011111100
31010211020001102
4332133023330
513143140133
61343032232
7256143023
oct76371374
933736042
1016380668
119279047
12559b678
133516c05
1422658ba
1516887e8
hexf9f2fc

16380668 has 12 divisors (see below), whose sum is σ = 28745640. Its totient is φ = 8167632.

The previous prime is 16380667. The next prime is 16380697. The reversal of 16380668 is 86608361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (2395470).

Almost surely, 216380668 is an apocalyptic number.

It is an amenable number.

16380668 is a deficient number, since it is larger than the sum of its proper divisors (12364972).

16380668 is a wasteful number, since it uses less digits than its factorization.

16380668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16380668 is about 4047.3037938855. The cubic root of 16380668 is about 253.9669496336.

The spelling of 16380668 in words is "sixteen million, three hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 4 373 746 1492 10979 21958 43916 4095167 8190334 16380668