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16195068 = 22321923677
BaseRepresentation
bin111101110001…
…110111111100
31010110210110100
4331301313330
513121220233
61335041100
7254440641
oct75616774
933423410
1016195068
11916165a
125510190
1334805a6
142217dc8
15164d813
hexf71dfc

16195068 has 36 divisors (see below), whose sum is σ = 43093960. Its totient is φ = 5114016.

The previous prime is 16195061. The next prime is 16195097. The reversal of 16195068 is 86059161.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16195061) 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 11 ways as a sum of consecutive naturals, for example, 11155 + ... + 12522.

Almost surely, 216195068 is an apocalyptic number.

16195068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16195068 is an abundant number, since it is smaller than the sum of its proper divisors (26898892).

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

16195068 is a wasteful number, since it uses less digits than its factorization.

16195068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23706 (or 23701 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 16195068 is about 4024.3096302347. The cubic root of 16195068 is about 253.0041191453.

The spelling of 16195068 in words is "sixteen million, one hundred ninety-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 23677 47354 71031 94708 142062 213093 284124 426186 449863 852372 899726 1349589 1799452 2699178 4048767 5398356 8097534 16195068