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12823930 = 2571671097
BaseRepresentation
bin110000111010…
…110101111010
3220010112010101
4300322311322
511240331210
61134510014
7214000360
oct60726572
926115111
1012823930
117269899
12436530a
132870032
1419bb630
1511d4a3a
hexc3ad7a

12823930 has 32 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 4366464.

The previous prime is 12823927. The next prime is 12823961. The reversal of 12823930 is 3932821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11142 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (830088).

Almost surely, 212823930 is an apocalyptic number.

12823930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12823930 is an abundant number, since it is smaller than the sum of its proper divisors (13738886).

12823930 is a wasteful number, since it uses less digits than its factorization.

12823930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12823930 is about 3581.0515215506. The cubic root of 12823930 is about 234.0671027756.

The spelling of 12823930 in words is "twelve million, eight hundred twenty-three thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 167 334 835 1097 1169 1670 2194 2338 5485 5845 7679 10970 11690 15358 38395 76790 183199 366398 915995 1282393 1831990 2564786 6411965 12823930