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10163940 = 2235169399
BaseRepresentation
bin100110110001…
…011011100100
3201010101022020
4212301123210
510100221230
61001503140
7152251323
oct46613344
921111266
1010163940
115812356
1234a1ab0
13214b387
1414c80ba
15d5b810
hex9b16e4

10163940 has 24 divisors (see below), whose sum is σ = 28459200. Its totient is φ = 2710368.

The previous prime is 10163921. The next prime is 10163947. The reversal of 10163940 is 4936101.

10163940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10163940.

It is not an unprimeable number, because it can be changed into a prime (10163947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84640 + ... + 84759.

It is an arithmetic number, because the mean of its divisors is an integer number (1185800).

Almost surely, 210163940 is an apocalyptic number.

10163940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10163940 is an abundant number, since it is smaller than the sum of its proper divisors (18295260).

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

10163940 is a wasteful number, since it uses less digits than its factorization.

10163940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169411 (or 169409 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 10163940 is about 3188.0934741629. The cubic root of 10163940 is about 216.6144200125.

The spelling of 10163940 in words is "ten million, one hundred sixty-three thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 169399 338798 508197 677596 846995 1016394 1693990 2032788 2540985 3387980 5081970 10163940