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16899930 = 2325199883
BaseRepresentation
bin100000001110…
…1111101011010
31011210121100100
41000131331122
513311244210
61402120230
7263434635
oct100357532
934717310
1016899930
1195a3193
1257b0076
133669378
14235cc1c
15173c5c0
hex101df5a

16899930 has 48 divisors (see below), whose sum is σ = 46257120. Its totient is φ = 4269024.

The previous prime is 16899889. The next prime is 16899959. The reversal of 16899930 is 3999861.

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

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 23 ways as a sum of consecutive naturals, for example, 3232 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (963690).

Almost surely, 216899930 is an apocalyptic number.

16899930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16899930 is an abundant number, since it is smaller than the sum of its proper divisors (29357190).

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

16899930 is a wasteful number, since it uses less digits than its factorization.

16899930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915 (or 9912 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 16899930 is about 4110.9524443856. The cubic root of 16899930 is about 256.6226400750.

The spelling of 16899930 in words is "sixteen million, eight hundred ninety-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 9883 19766 29649 49415 59298 88947 98830 148245 177894 187777 296490 375554 444735 563331 889470 938885 1126662 1689993 1877770 2816655 3379986 5633310 8449965 16899930