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16964680 = 235424117
BaseRepresentation
bin100000010110…
…1110001001000
31011220220011111
41000231301020
513320332210
61403340104
7264124465
oct100556110
934826144
1016964680
1196378a7
125821634
13368c995
14237866c
15175188a
hex102dc48

16964680 has 16 divisors (see below), whose sum is σ = 38170620. Its totient is φ = 6785856.

The previous prime is 16964677. The next prime is 16964687. The reversal of 16964680 is 8646961.

It can be written as a sum of positive squares in 2 ways, for example, as 16016004 + 948676 = 4002^2 + 974^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 424117 = 16964680 / (1 + 6 + 9 + 6 + 4 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (16964687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212019 + ... + 212098.

Almost surely, 216964680 is an apocalyptic number.

16964680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16964680 is an abundant number, since it is smaller than the sum of its proper divisors (21205940).

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

16964680 is a wasteful number, since it uses less digits than its factorization.

16964680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424128 (or 424124 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 16964680 is about 4118.8202194318. The cubic root of 16964680 is about 256.9499617439.

The spelling of 16964680 in words is "sixteen million, nine hundred sixty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 424117 848234 1696468 2120585 3392936 4241170 8482340 16964680