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198058389 = 368396661
BaseRepresentation
bin10111100111000…
…10000110010101
3111210200102000220
423303202012111
5401200332024
631353024553
74623316464
oct1363420625
9453612026
10198058389
11a1887221
12563b5159
1332057619
141c4389db
15125c3e79
hexbce2195

198058389 has 8 divisors (see below), whose sum is σ = 264467232. Its totient is φ = 131844240.

The previous prime is 198058369. The next prime is 198058397. The reversal of 198058389 is 983850891.

198058389 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 not a de Polignac number, because 198058389 - 221 = 195961237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198058319) 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, 46282 + ... + 50379.

It is an arithmetic number, because the mean of its divisors is an integer number (33058404).

Almost surely, 2198058389 is an apocalyptic number.

It is an amenable number.

198058389 is a deficient number, since it is larger than the sum of its proper divisors (66408843).

198058389 is an equidigital number, since it uses as much as digits as its factorization.

198058389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97347.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 198058389 is about 14073.3218893053. The cubic root of 198058389 is about 582.9049554426.

The spelling of 198058389 in words is "one hundred ninety-eight million, fifty-eight thousand, three hundred eighty-nine".

Divisors: 1 3 683 2049 96661 289983 66019463 198058389