Search a number
-
+
10247031 = 321138559
BaseRepresentation
bin100111000101…
…101101110111
3201021121021200
4213011231313
510110401111
61003343543
7153045504
oct47055567
921247250
1010247031
115869823
123521bb3
13217a142
14150a4ab
15d76256
hex9c5b77

10247031 has 6 divisors (see below), whose sum is σ = 14801280. Its totient is φ = 6831348.

The previous prime is 10247021. The next prime is 10247051. The reversal of 10247031 is 13074201.

10247031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10247031 - 210 = 10246007 is a prime.

It is a super-2 number, since 2×102470312 = 210003288629922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10246995 and 10247013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10247021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569271 + ... + 569288.

It is an arithmetic number, because the mean of its divisors is an integer number (2466880).

Almost surely, 210247031 is an apocalyptic number.

10247031 is a deficient number, since it is larger than the sum of its proper divisors (4554249).

10247031 is a wasteful number, since it uses less digits than its factorization.

10247031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138565 (or 1138562 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 10247031 is about 3201.0984052353. The cubic root of 10247031 is about 217.2030986606.

The spelling of 10247031 in words is "ten million, two hundred forty-seven thousand, thirty-one".

Divisors: 1 3 9 1138559 3415677 10247031