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10307140 = 225515357
BaseRepresentation
bin100111010100…
…011001000100
3201101122201221
4213110121010
510114312030
61004530124
7153415654
oct47243104
921348657
1010307140
1158aa9a8
123550944
13219b5cc
141524364
15d88e7a
hex9d4644

10307140 has 12 divisors (see below), whose sum is σ = 21645036. Its totient is φ = 4122848.

The previous prime is 10307137. The next prime is 10307173. The reversal of 10307140 is 4170301.

It can be written as a sum of positive squares in 2 ways, for example, as 3326976 + 6980164 = 1824^2 + 2642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257659 + ... + 257698.

It is an arithmetic number, because the mean of its divisors is an integer number (1803753).

Almost surely, 210307140 is an apocalyptic number.

10307140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10307140 is an abundant number, since it is smaller than the sum of its proper divisors (11337896).

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

10307140 is a wasteful number, since it uses less digits than its factorization.

10307140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515366 (or 515364 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10307140 is about 3210.4734853289. The cubic root of 10307140 is about 217.6269747863.

Adding to 10307140 its reverse (4170301), we get a palindrome (14477441).

The spelling of 10307140 in words is "ten million, three hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 515357 1030714 2061428 2576785 5153570 10307140