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12814290 = 2325142381
BaseRepresentation
bin110000111000…
…011111010010
3220010000220100
4300320133102
511240024130
61134353230
7213630306
oct60703722
926100810
1012814290
117262625
12435b816
132868828
1419b7d06
1511d1c60
hexc387d2

12814290 has 24 divisors (see below), whose sum is σ = 33317388. Its totient is φ = 3417120.

The previous prime is 12814273. The next prime is 12814327. The reversal of 12814290 is 9241821.

12814290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12766329 + 47961 = 3573^2 + 219^2 .

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, 71101 + ... + 71280.

Almost surely, 212814290 is an apocalyptic number.

12814290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12814290 is an abundant number, since it is smaller than the sum of its proper divisors (20503098).

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

12814290 is a wasteful number, since it uses less digits than its factorization.

12814290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142394 (or 142391 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12814290 is about 3579.7052951325. The cubic root of 12814290 is about 234.0084371273.

The spelling of 12814290 in words is "twelve million, eight hundred fourteen thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 142381 284762 427143 711905 854286 1281429 1423810 2135715 2562858 4271430 6407145 12814290