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13982198 = 26991099
BaseRepresentation
bin110101010101…
…100111110110
3222022100222012
4311111213312
512034412243
61215404222
7226563266
oct65254766
928270865
1013982198
11799003a
124823672
132b872b9
141bdd7a6
151362d18
hexd559f6

13982198 has 4 divisors (see below), whose sum is σ = 20973300. Its totient is φ = 6991098.

The previous prime is 13982197. The next prime is 13982231. The reversal of 13982198 is 89128931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×139821982 = 391003721822408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495548 + ... + 3495551.

It is an arithmetic number, because the mean of its divisors is an integer number (5243325).

Almost surely, 213982198 is an apocalyptic number.

13982198 is a deficient number, since it is larger than the sum of its proper divisors (6991102).

13982198 is an equidigital number, since it uses as much as digits as its factorization.

13982198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991101.

The product of its digits is 31104, while the sum is 41.

The square root of 13982198 is about 3739.2777377456. The cubic root of 13982198 is about 240.9120274861.

The spelling of 13982198 in words is "thirteen million, nine hundred eighty-two thousand, one hundred ninety-eight".

Divisors: 1 2 6991099 13982198