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10252380 = 2235170873
BaseRepresentation
bin100111000111…
…000001011100
3201021212121210
4213013001130
510111034010
61003424420
7153100215
oct47070134
921255553
1010252380
115872846
123525110
13217c6c8
14150c40c
15d77b20
hex9c705c

10252380 has 24 divisors (see below), whose sum is σ = 28706832. Its totient is φ = 2733952.

The previous prime is 10252379. The next prime is 10252387. The reversal of 10252380 is 8325201.

It is a super-2 number, since 2×102523802 = 210222591328800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10252387) 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 7 ways as a sum of consecutive naturals, for example, 85377 + ... + 85496.

It is an arithmetic number, because the mean of its divisors is an integer number (1196118).

Almost surely, 210252380 is an apocalyptic number.

10252380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10252380 is an abundant number, since it is smaller than the sum of its proper divisors (18454452).

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

10252380 is a wasteful number, since it uses less digits than its factorization.

10252380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170885 (or 170883 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10252380 is about 3201.9337906959. The cubic root of 10252380 is about 217.2408857775.

Adding to 10252380 its reverse (8325201), we get a palindrome (18577581).

The spelling of 10252380 in words is "ten million, two hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 170873 341746 512619 683492 854365 1025238 1708730 2050476 2563095 3417460 5126190 10252380