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12826245 = 3517179281
BaseRepresentation
bin110000111011…
…011010000101
3220010122022010
4300323122011
511240414440
61134524433
7214010205
oct60733205
926118263
1012826245
117270603
124366719
1328710c3
1419bc405
1511d5580
hexc3b685

12826245 has 32 divisors (see below), whose sum is σ = 21928320. Its totient is φ = 6379520.

The previous prime is 12826243. The next prime is 12826259. The reversal of 12826245 is 54262821.

12826245 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12826245 - 21 = 12826243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45505 + ... + 45785.

It is an arithmetic number, because the mean of its divisors is an integer number (685260).

Almost surely, 212826245 is an apocalyptic number.

12826245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12826245 is a deficient number, since it is larger than the sum of its proper divisors (9102075).

12826245 is a wasteful number, since it uses less digits than its factorization.

12826245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its digits is 7680, while the sum is 30.

The square root of 12826245 is about 3581.3747360476. The cubic root of 12826245 is about 234.0811866729.

The spelling of 12826245 in words is "twelve million, eight hundred twenty-six thousand, two hundred forty-five".

Divisors: 1 3 5 15 17 51 85 179 255 281 537 843 895 1405 2685 3043 4215 4777 9129 14331 15215 23885 45645 50299 71655 150897 251495 754485 855083 2565249 4275415 12826245