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16842980 = 22571110937
BaseRepresentation
bin100000001000…
…0000011100100
31011200201020002
41000100003210
513302433410
61401000432
7263106620
oct100200344
934621202
1016842980
119564420
125783118
13364947b
142346180
15172a7a5
hex10100e4

16842980 has 48 divisors (see below), whose sum is σ = 44102016. Its totient is φ = 5249280.

The previous prime is 16842961. The next prime is 16843019. The reversal of 16842980 is 8924861.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929 + ... + 7008.

It is an arithmetic number, because the mean of its divisors is an integer number (918792).

Almost surely, 216842980 is an apocalyptic number.

16842980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16842980 is an abundant number, since it is smaller than the sum of its proper divisors (27259036).

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

16842980 is a wasteful number, since it uses less digits than its factorization.

16842980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964 (or 10962 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 16842980 is about 4104.0199804582. The cubic root of 16842980 is about 256.3340568976.

It can be divided in two parts, 1684 and 2980, that added together give a palindrome (4664).

The spelling of 16842980 in words is "sixteen million, eight hundred forty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 10937 21874 43748 54685 76559 109370 120307 153118 218740 240614 306236 382795 481228 601535 765590 842149 1203070 1531180 1684298 2406140 3368596 4210745 8421490 16842980