Search a number
-
+
10108825 = 521073779
BaseRepresentation
bin100110100011…
…111110011001
3201000120200221
4212203332121
510041440300
61000400041
7151631536
oct46437631
921016627
1010108825
115784a01
123476021
13212c26c
1414b1d8d
15d4a31a
hex9a3f99

10108825 has 12 divisors (see below), whose sum is σ = 12655440. Its totient is φ = 8009360.

The previous prime is 10108823. The next prime is 10108831. The reversal of 10108825 is 52880101.

It is not a de Polignac number, because 10108825 - 21 = 10108823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 10108825.

It is not an unprimeable number, because it can be changed into a prime (10108823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (1054620).

Almost surely, 210108825 is an apocalyptic number.

It is an amenable number.

10108825 is a deficient number, since it is larger than the sum of its proper divisors (2546615).

10108825 is a wasteful number, since it uses less digits than its factorization.

10108825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896 (or 3891 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 10108825 is about 3179.4378433931. The cubic root of 10108825 is about 216.2221722353. Note that the first 3 decimals are identical.

Adding to 10108825 its reverse (52880101), we get a palindrome (62988926).

The spelling of 10108825 in words is "ten million, one hundred eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 107 535 2675 3779 18895 94475 404353 2021765 10108825