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16930986 = 232821831
BaseRepresentation
bin100000010010…
…1100010101010
31011212011221120
41000211202222
513313242421
61402520110
7263624322
oct100454252
934764846
1016930986
119614556
125806036
13367a547
14236a282
1517468c6
hex10258aa

16930986 has 8 divisors (see below), whose sum is σ = 33861984. Its totient is φ = 5643660.

The previous prime is 16930943. The next prime is 16930993. The reversal of 16930986 is 68903961.

It is a sphenic number, since it is the product of 3 distinct primes.

16930986 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410910 + ... + 1410921.

It is an arithmetic number, because the mean of its divisors is an integer number (4232748).

Almost surely, 216930986 is an apocalyptic number.

16930986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16930986 is a wasteful number, since it uses less digits than its factorization.

16930986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821836.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16930986 is about 4114.7279375434. The cubic root of 16930986 is about 256.7797372916.

The spelling of 16930986 in words is "sixteen million, nine hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 2821831 5643662 8465493 16930986