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12740454 = 2322924407
BaseRepresentation
bin110000100110…
…011101100110
3212222021121200
4300212131212
511230143304
61133023330
7213202116
oct60463546
925867550
1012740454
117212101
124324b46
13284103c
141999046
1511b9e39
hexc26766

12740454 has 24 divisors (see below), whose sum is σ = 28557360. Its totient is φ = 4100208.

The previous prime is 12740449. The next prime is 12740461. The reversal of 12740454 is 45404721.

12740454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127404542 = 324638336252232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11682 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (1189890).

Almost surely, 212740454 is an apocalyptic number.

12740454 is an abundant number, since it is smaller than the sum of its proper divisors (15816906).

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

12740454 is a wasteful number, since it uses less digits than its factorization.

12740454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24444 (or 24441 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 12740454 is about 3569.3772566093. The cubic root of 12740454 is about 233.5581185276.

The spelling of 12740454 in words is "twelve million, seven hundred forty thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 24407 48814 73221 146442 219663 439326 707803 1415606 2123409 4246818 6370227 12740454