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12274308 = 2233293919
BaseRepresentation
bin101110110100…
…101010000100
3212002121012000
4232310222010
511120234213
61115025300
7206221104
oct56645204
925077160
1012274308
116a23962
12413b230
132709b07
1418b7204
151126c73
hexbb4a84

12274308 has 48 divisors (see below), whose sum is σ = 32928000. Its totient is φ = 3949344.

The previous prime is 12274303. The next prime is 12274319. The reversal of 12274308 is 80347221.

12274308 is a `hidden beast` number, since 1 + 227 + 430 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12274303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (686000).

Almost surely, 212274308 is an apocalyptic number.

12274308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12274308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16464000).

12274308 is an abundant number, since it is smaller than the sum of its proper divisors (20653692).

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

12274308 is a wasteful number, since it uses less digits than its factorization.

12274308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 12274308 is about 3503.4708504567. The cubic root of 12274308 is about 230.6741907102.

The spelling of 12274308 in words is "twelve million, two hundred seventy-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 87 108 116 174 261 348 522 783 1044 1566 3132 3919 7838 11757 15676 23514 35271 47028 70542 105813 113651 141084 211626 227302 340953 423252 454604 681906 1022859 1363812 2045718 3068577 4091436 6137154 12274308