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13122298 = 272293457
BaseRepresentation
bin110010000011…
…101011111010
3220200200102001
4302003223322
511324403143
61145131214
7216352300
oct62035372
926620361
1013122298
117452a82
124489b0a
132945a97
141a58270
15124314d
hexc83afa

13122298 has 24 divisors (see below), whose sum is σ = 23025492. Its totient is φ = 5592384.

The previous prime is 13122289. The next prime is 13122299. The reversal of 13122298 is 89222131.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 2798929 = 3213^2 + 1673^2 .

It is not an unprimeable number, because it can be changed into a prime (13122299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28486 + ... + 28942.

Almost surely, 213122298 is an apocalyptic number.

13122298 is a deficient number, since it is larger than the sum of its proper divisors (9903194).

13122298 is a wasteful number, since it uses less digits than its factorization.

13122298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 759 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 13122298 is about 3622.4712559246. The cubic root of 13122298 is about 235.8685109727.

The spelling of 13122298 in words is "thirteen million, one hundred twenty-two thousand, two hundred ninety-eight".

Divisors: 1 2 7 14 49 98 293 457 586 914 2051 3199 4102 6398 14357 22393 28714 44786 133901 267802 937307 1874614 6561149 13122298