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12410140 = 225620507
BaseRepresentation
bin101111010101…
…110100011100
3212100111111211
4233111310130
511134111030
61121554204
7210325111
oct57256434
925314454
1012410140
117006a16
1241a5964
1327568a2
141910908
15115212a
hexbd5d1c

12410140 has 12 divisors (see below), whose sum is σ = 26061336. Its totient is φ = 4964048.

The previous prime is 12410129. The next prime is 12410141. The reversal of 12410140 is 4101421.

It is a self number, because there is not a number n which added to its sum of digits gives 12410140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12410141) 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, 310234 + ... + 310273.

It is an arithmetic number, because the mean of its divisors is an integer number (2171778).

Almost surely, 212410140 is an apocalyptic number.

12410140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12410140 is an abundant number, since it is smaller than the sum of its proper divisors (13651196).

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

12410140 is a wasteful number, since it uses less digits than its factorization.

12410140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620516 (or 620514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12410140 is about 3522.8028613591. The cubic root of 12410140 is about 231.5219794807.

Adding to 12410140 its reverse (4101421), we get a palindrome (16511561).

The spelling of 12410140 in words is "twelve million, four hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 620507 1241014 2482028 3102535 6205070 12410140