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16980795 = 3251329027
BaseRepresentation
bin100000011000…
…1101100111011
31011221201021100
41000301230323
513321341140
61403542443
7264222456
oct100615473
934851240
1016980795
119648a17
12582aa23
133697110
14238049d
151756530
hex1031b3b

16980795 has 24 divisors (see below), whose sum is σ = 31698576. Its totient is φ = 8359488.

The previous prime is 16980779. The next prime is 16980797. The reversal of 16980795 is 59708961.

It is not a de Polignac number, because 16980795 - 24 = 16980779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16980795.

It is not an unprimeable number, because it can be changed into a prime (16980797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13929 + ... + 15098.

It is an arithmetic number, because the mean of its divisors is an integer number (1320774).

Almost surely, 216980795 is an apocalyptic number.

16980795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16980795 is a deficient number, since it is larger than the sum of its proper divisors (14717781).

16980795 is a wasteful number, since it uses less digits than its factorization.

16980795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29051 (or 29048 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 16980795 is about 4120.7760191498. The cubic root of 16980795 is about 257.0312961832.

The spelling of 16980795 in words is "sixteen million, nine hundred eighty thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 29027 87081 145135 261243 377351 435405 1132053 1306215 1886755 3396159 5660265 16980795