Search a number
-
+
10639312 = 24739109
BaseRepresentation
bin101000100101…
…011111010000
3202000112101121
4220211133100
510210424222
61020012024
7156301255
oct50453720
922015347
1010639312
116007522
123691014
132286868
1415ad42c
15e025c7
hexa257d0

10639312 has 20 divisors (see below), whose sum is σ = 20898340. Its totient is φ = 5246208.

The previous prime is 10639301. The next prime is 10639319. The reversal of 10639312 is 21393601.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 7268416 = 1836^2 + 2696^2 .

It is a super-2 number, since 2×106393122 = 226389919666688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639319) 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 3 ways as a sum of consecutive naturals, for example, 3387 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (1044917).

Almost surely, 210639312 is an apocalyptic number.

It is an amenable number.

10639312 is a deficient number, since it is larger than the sum of its proper divisors (10259028).

10639312 is an equidigital number, since it uses as much as digits as its factorization.

10639312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190 (or 9184 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 10639312 is about 3261.7958243888. The cubic root of 10639312 is about 219.9401490083.

The spelling of 10639312 in words is "ten million, six hundred thirty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 73 146 292 584 1168 9109 18218 36436 72872 145744 664957 1329914 2659828 5319656 10639312