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12194224 = 247108877
BaseRepresentation
bin101110100001…
…000110110000
3211221112022221
4232201012300
511110203344
61113210424
7205435450
oct56410660
924845287
1012194224
116979779
124100a14
1326ac523
141895d60
15110d184
hexba11b0

12194224 has 20 divisors (see below), whose sum is σ = 27001744. Its totient is φ = 5226048.

The previous prime is 12194207. The next prime is 12194227. The reversal of 12194224 is 42249121.

It is not an unprimeable number, because it can be changed into a prime (12194227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54327 + ... + 54550.

Almost surely, 212194224 is an apocalyptic number.

12194224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12194224 is an abundant number, since it is smaller than the sum of its proper divisors (14807520).

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

12194224 is a wasteful number, since it uses less digits than its factorization.

12194224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108892 (or 108886 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 12194224 is about 3492.0229094323. The cubic root of 12194224 is about 230.1714160075.

The spelling of 12194224 in words is "twelve million, one hundred ninety-four thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 108877 217754 435508 762139 871016 1524278 1742032 3048556 6097112 12194224