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198120202 = 2714151443
BaseRepresentation
bin10111100111100…
…01001100001010
3111210210112211021
423303301030022
5401204321302
631354223054
74623664630
oct1363611412
9453715737
10198120202
11a1919705
1256424a8a
13320797b7
141c453350
15125d7437
hexbcf130a

198120202 has 8 divisors (see below), whose sum is σ = 339634656. Its totient is φ = 84908652.

The previous prime is 198120173. The next prime is 198120203. The reversal of 198120202 is 202021891.

198120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1981202022 = 78503228881041608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198120203) 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, 7075708 + ... + 7075735.

It is an arithmetic number, because the mean of its divisors is an integer number (42454332).

Almost surely, 2198120202 is an apocalyptic number.

198120202 is a deficient number, since it is larger than the sum of its proper divisors (141514454).

198120202 is a wasteful number, since it uses less digits than its factorization.

198120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151452.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 198120202 is about 14075.5178235119. The cubic root of 198120202 is about 582.9655896769.

The spelling of 198120202 in words is "one hundred ninety-eight million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 7 14 14151443 28302886 99060101 198120202