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16931119 = 19985081
BaseRepresentation
bin100000010010…
…1100100101111
31011212012010111
41000211210233
513313243434
61402520451
7263624602
oct100454457
934765114
1016931119
119614667
125806127
13367a61a
14236a339
151746964
hex102592f

16931119 has 4 divisors (see below), whose sum is σ = 17016400. Its totient is φ = 16845840.

The previous prime is 16931113. The next prime is 16931137. The reversal of 16931119 is 91113961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91113961 = 351125951.

It is a cyclic number.

It is not a de Polignac number, because 16931119 - 23 = 16931111 is a prime.

It is a super-2 number, since 2×169311192 = 573325581184322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16931111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42342 + ... + 42739.

It is an arithmetic number, because the mean of its divisors is an integer number (4254100).

Almost surely, 216931119 is an apocalyptic number.

16931119 is a deficient number, since it is larger than the sum of its proper divisors (85281).

16931119 is an equidigital number, since it uses as much as digits as its factorization.

16931119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85280.

The product of its digits is 1458, while the sum is 31.

The square root of 16931119 is about 4114.7440989690. The cubic root of 16931119 is about 256.7804096607.

The spelling of 16931119 in words is "sixteen million, nine hundred thirty-one thousand, one hundred nineteen".

Divisors: 1 199 85081 16931119