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10163939 = 31327869
BaseRepresentation
bin100110110001…
…011011100011
3201010101022012
4212301123203
510100221224
61001503135
7152251322
oct46613343
921111265
1010163939
115812355
1234a1aab
13214b386
1414c80b9
15d5b80e
hex9b16e3

10163939 has 4 divisors (see below), whose sum is σ = 10491840. Its totient is φ = 9836040.

The previous prime is 10163921. The next prime is 10163947. The reversal of 10163939 is 93936101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10163939 - 212 = 10159843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10163239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 163904 + ... + 163965.

It is an arithmetic number, because the mean of its divisors is an integer number (2622960).

Almost surely, 210163939 is an apocalyptic number.

10163939 is a deficient number, since it is larger than the sum of its proper divisors (327901).

10163939 is an equidigital number, since it uses as much as digits as its factorization.

10163939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327900.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 10163939 is about 3188.0933173293. The cubic root of 10163939 is about 216.6144129084.

The spelling of 10163939 in words is "ten million, one hundred sixty-three thousand, nine hundred thirty-nine".

Divisors: 1 31 327869 10163939