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12814380 = 2232571191
BaseRepresentation
bin110000111000…
…100000101100
3220010001000200
4300320200230
511240030010
61134353500
7213630465
oct60704054
926101020
1012814380
1172626a7
12435b890
132868897
1419b7d6c
1511d1cc0
hexc3882c

12814380 has 36 divisors (see below), whose sum is σ = 38870832. Its totient is φ = 3417120.

The previous prime is 12814349. The next prime is 12814391. The reversal of 12814380 is 8341821.

12814380 is a `hidden beast` number, since 1 + 281 + 4 + 380 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 35416 + ... + 35775.

Almost surely, 212814380 is an apocalyptic number.

12814380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12814380 is an abundant number, since it is smaller than the sum of its proper divisors (26056452).

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

12814380 is a wasteful number, since it uses less digits than its factorization.

12814380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71206 (or 71201 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12814380 is about 3579.7178659777. The cubic root of 12814380 is about 234.0089849717.

The spelling of 12814380 in words is "twelve million, eight hundred fourteen thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 71191 142382 213573 284764 355955 427146 640719 711910 854292 1067865 1281438 1423820 2135730 2562876 3203595 4271460 6407190 12814380