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10252180 = 225512609
BaseRepresentation
bin100111000110…
…111110010100
3201021212100101
4213012332110
510111032210
61003423444
7153066511
oct47067624
921255311
1010252180
115872684
123524b84
13217c5a3
14150c308
15d77a3a
hex9c6f94

10252180 has 12 divisors (see below), whose sum is σ = 21529620. Its totient is φ = 4100864.

The previous prime is 10252169. The next prime is 10252183. The reversal of 10252180 is 8125201.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 4318084 = 2436^2 + 2078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10252183) 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, 256285 + ... + 256324.

It is an arithmetic number, because the mean of its divisors is an integer number (1794135).

Almost surely, 210252180 is an apocalyptic number.

10252180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10252180 is an abundant number, since it is smaller than the sum of its proper divisors (11277440).

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

10252180 is a wasteful number, since it uses less digits than its factorization.

10252180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512618 (or 512616 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10252180 is about 3201.9025594168. The cubic root of 10252180 is about 217.2394731474.

Adding to 10252180 its reverse (8125201), we get a palindrome (18377381).

The spelling of 10252180 in words is "ten million, two hundred fifty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 512609 1025218 2050436 2563045 5126090 10252180