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13228098 = 2313169591
BaseRepresentation
bin110010011101…
…100001000010
3220220001112120
4302131201002
511341244343
61151305110
7220302612
oct62354102
926801476
1013228098
117515514
12451b196
132981ca0
141a84a42
151264683
hexc9d842

13228098 has 16 divisors (see below), whose sum is σ = 28491456. Its totient is φ = 4070160.

The previous prime is 13228097. The next prime is 13228121. The reversal of 13228098 is 89082231.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13228097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84718 + ... + 84873.

It is an arithmetic number, because the mean of its divisors is an integer number (1780716).

Almost surely, 213228098 is an apocalyptic number.

13228098 is an abundant number, since it is smaller than the sum of its proper divisors (15263358).

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

13228098 is a wasteful number, since it uses less digits than its factorization.

13228098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169609.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13228098 is about 3637.0452293036. The cubic root of 13228098 is about 236.5007203634.

The spelling of 13228098 in words is "thirteen million, two hundred twenty-eight thousand, ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 169591 339182 508773 1017546 2204683 4409366 6614049 13228098