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10385500 = 225320771
BaseRepresentation
bin100111100111…
…100001011100
3201112122020011
4213213201130
510124314000
61010333004
7154163266
oct47474134
921478204
1010385500
115953864
12358a164
1321c8188
141544b36
15da22ba
hex9e785c

10385500 has 24 divisors (see below), whose sum is σ = 22683024. Its totient is φ = 4154000.

The previous prime is 10385497. The next prime is 10385513. The reversal of 10385500 is 558301.

It is a super-2 number, since 2×103855002 = 215717220500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9886 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (945126).

Almost surely, 210385500 is an apocalyptic number.

10385500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10385500 is an abundant number, since it is smaller than the sum of its proper divisors (12297524).

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

10385500 is a wasteful number, since it uses less digits than its factorization.

10385500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790 (or 20778 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 10385500 is about 3222.6541856054. The cubic root of 10385500 is about 218.1770858612.

The spelling of 10385500 in words is "ten million, three hundred eighty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 20771 41542 83084 103855 207710 415420 519275 1038550 2077100 2596375 5192750 10385500