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16895980 = 2252929131
BaseRepresentation
bin100000001110…
…0111111101100
31011210101221001
41000130333230
513311132410
61402050044
7263420263
oct100347754
934711831
1016895980
1195a0222
1257a9924
13366762a
14235b5da
15173b33a
hex101cfec

16895980 has 24 divisors (see below), whose sum is σ = 36706320. Its totient is φ = 6525120.

The previous prime is 16895969. The next prime is 16895999. The reversal of 16895980 is 8959861.

It is a self number, because there is not a number n which added to its sum of digits gives 16895980.

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, 13986 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (1529430).

Almost surely, 216895980 is an apocalyptic number.

16895980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16895980 is an abundant number, since it is smaller than the sum of its proper divisors (19810340).

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

16895980 is a wasteful number, since it uses less digits than its factorization.

16895980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29169 (or 29167 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 16895980 is about 4110.4719923629. The cubic root of 16895980 is about 256.6026451517.

The spelling of 16895980 in words is "sixteen million, eight hundred ninety-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 29131 58262 116524 145655 291310 582620 844799 1689598 3379196 4223995 8447990 16895980