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10230140 = 225511507
BaseRepresentation
bin100111000001…
…100101111100
3201020202010002
4213001211330
510104331030
61003133432
7152645324
oct47014574
921222102
1010230140
115858068
123514278
13217254b
141504284
15d71245
hex9c197c

10230140 has 12 divisors (see below), whose sum is σ = 21483336. Its totient is φ = 4092048.

The previous prime is 10230139. The next prime is 10230149. The reversal of 10230140 is 4103201.

It is a happy number.

10230140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230149) 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, 255734 + ... + 255773.

It is an arithmetic number, because the mean of its divisors is an integer number (1790278).

Almost surely, 210230140 is an apocalyptic number.

10230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10230140 is an abundant number, since it is smaller than the sum of its proper divisors (11253196).

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

10230140 is a wasteful number, since it uses less digits than its factorization.

10230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511516 (or 511514 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10230140 is about 3198.4590039580. The cubic root of 10230140 is about 217.0836886177.

Adding to 10230140 its reverse (4103201), we get a palindrome (14333341).

The spelling of 10230140 in words is "ten million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 511507 1023014 2046028 2557535 5115070 10230140