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12482140 = 2251156737
BaseRepresentation
bin101111100111…
…011001011100
3212111011021111
4233213121130
511143412030
61123311404
7211045036
oct57473134
925434244
1012482140
117056020
12421b564
1327805a8
14192cc56
15116862a
hexbe765c

12482140 has 24 divisors (see below), whose sum is σ = 28595952. Its totient is φ = 4538880.

The previous prime is 12482137. The next prime is 12482149. The reversal of 12482140 is 4128421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12482149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28149 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (1191498).

Almost surely, 212482140 is an apocalyptic number.

12482140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12482140 is an abundant number, since it is smaller than the sum of its proper divisors (16113812).

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

12482140 is a wasteful number, since it uses less digits than its factorization.

12482140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56757 (or 56755 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 12482140 is about 3533.0072176547. The cubic root of 12482140 is about 231.9688572942.

The spelling of 12482140 in words is "twelve million, four hundred eighty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 56737 113474 226948 283685 567370 624107 1134740 1248214 2496428 3120535 6241070 12482140