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13224894 = 232204149
BaseRepresentation
bin110010011100…
…101110111110
3220212220010220
4302130232332
511341144034
61151242210
7220260354
oct62345676
926786126
1013224894
117513071
124519366
1329806a7
141a837d4
151263749
hexc9cbbe

13224894 has 8 divisors (see below), whose sum is σ = 26449800. Its totient is φ = 4408296.

The previous prime is 13224881. The next prime is 13224901. The reversal of 13224894 is 49842231.

It is a sphenic number, since it is the product of 3 distinct primes.

13224894 is an admirable number.

It is a super-2 number, since 2×132248942 = 349795642622472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102069 + ... + 1102080.

It is an arithmetic number, because the mean of its divisors is an integer number (3306225).

Almost surely, 213224894 is an apocalyptic number.

13224894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13224894 is a wasteful number, since it uses less digits than its factorization.

13224894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204154.

The product of its digits is 13824, while the sum is 33.

The square root of 13224894 is about 3636.6047351891. The cubic root of 13224894 is about 236.4816244083.

It can be divided in two parts, 1322 and 4894, that added together give a triangular number (6216 = T111).

The spelling of 13224894 in words is "thirteen million, two hundred twenty-four thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 2204149 4408298 6612447 13224894