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12817230 = 235427241
BaseRepresentation
bin110000111001…
…001101001110
3220010011221020
4300321031032
511240122410
61134415010
7213642006
oct60711516
926104836
1012817230
117264858
124361466
132869c7a
1419b9006
1511d2a70
hexc3934e

12817230 has 16 divisors (see below), whose sum is σ = 30761424. Its totient is φ = 3417920.

The previous prime is 12817213. The next prime is 12817307. The reversal of 12817230 is 3271821.

12817230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12817230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213591 + ... + 213650.

It is an arithmetic number, because the mean of its divisors is an integer number (1922589).

Almost surely, 212817230 is an apocalyptic number.

12817230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12817230 is an abundant number, since it is smaller than the sum of its proper divisors (17944194).

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

12817230 is a wasteful number, since it uses less digits than its factorization.

12817230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427251.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12817230 is about 3580.1159199110. The cubic root of 12817230 is about 234.0263320503.

The spelling of 12817230 in words is "twelve million, eight hundred seventeen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 427241 854482 1281723 2136205 2563446 4272410 6408615 12817230