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10109860 = 225505493
BaseRepresentation
bin100110100100…
…001110100100
3201000122010021
4212210032210
510042003420
61000404524
7151634545
oct46441644
921018107
1010109860
115785762
123476744
13212c887
1414b24cc
15d4a7aa
hex9a43a4

10109860 has 12 divisors (see below), whose sum is σ = 21230748. Its totient is φ = 4043936.

The previous prime is 10109851. The next prime is 10109861. The reversal of 10109860 is 6890101.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 8904256 = 1098^2 + 2984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252727 + ... + 252766.

It is an arithmetic number, because the mean of its divisors is an integer number (1769229).

Almost surely, 210109860 is an apocalyptic number.

10109860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10109860 is an abundant number, since it is smaller than the sum of its proper divisors (11120888).

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

10109860 is a wasteful number, since it uses less digits than its factorization.

10109860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505502 (or 505500 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 10109860 is about 3179.6006038495. The cubic root of 10109860 is about 216.2295513425.

Adding to 10109860 its reverse (6890101), we get a palindrome (16999961).

The spelling of 10109860 in words is "ten million, one hundred nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 505493 1010986 2021972 2527465 5054930 10109860