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9642980 = 2252320963
BaseRepresentation
bin100100110010…
…001111100100
3200010220200102
4210302033210
54432033410
6542403232
7144651434
oct44621744
920126612
109642980
115496a06
123290518
131cc8209
1413d02c4
15ca72a5
hex9323e4

9642980 has 24 divisors (see below), whose sum is σ = 21131712. Its totient is φ = 3689312.

The previous prime is 9642973. The next prime is 9642989. The reversal of 9642980 is 892469.

It is not an unprimeable number, because it can be changed into a prime (9642989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10022 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (880488).

Almost surely, 29642980 is an apocalyptic number.

It is an amenable number.

9642980 is an abundant number, since it is smaller than the sum of its proper divisors (11488732).

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

9642980 is a wasteful number, since it uses less digits than its factorization.

9642980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20995 (or 20993 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9642980 is about 3105.3147988570. The cubic root of 9642980 is about 212.8484157367.

The spelling of 9642980 in words is "nine million, six hundred forty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 20963 41926 83852 104815 209630 419260 482149 964298 1928596 2410745 4821490 9642980