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10638030 = 2351327277
BaseRepresentation
bin101000100101…
…001011001110
3202000110122010
4220211023032
510210404110
61020002050
7156264444
oct50451316
922013563
1010638030
116006567
123690326
1322860c0
1415acb94
15e02020
hexa252ce

10638030 has 32 divisors (see below), whose sum is σ = 27496224. Its totient is φ = 2618496.

The previous prime is 10638007. The next prime is 10638031. The reversal of 10638030 is 3083601.

It is a super-2 number, since 2×106380302 = 226335364561800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10637988 and 10638006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638031) 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 15 ways as a sum of consecutive naturals, for example, 13249 + ... + 14028.

It is an arithmetic number, because the mean of its divisors is an integer number (859257).

Almost surely, 210638030 is an apocalyptic number.

10638030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10638030 is an abundant number, since it is smaller than the sum of its proper divisors (16858194).

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

10638030 is a wasteful number, since it uses less digits than its factorization.

10638030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27300.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10638030 is about 3261.5993009565. The cubic root of 10638030 is about 219.9313146464.

The spelling of 10638030 in words is "ten million, six hundred thirty-eight thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 27277 54554 81831 136385 163662 272770 354601 409155 709202 818310 1063803 1773005 2127606 3546010 5319015 10638030