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198338029 = 1914992081
BaseRepresentation
bin10111101001001…
…10010111101101
3111211012121121221
423310212113231
5401233304104
631403023341
74625562661
oct1364462755
9454177557
10198338029
11a1a5832a
125650ab51
13321249a6
141c4ac8a1
151262bc54
hexbd265ed

198338029 has 8 divisors (see below), whose sum is σ = 199872000. Its totient is φ = 196809600.

The previous prime is 198338027. The next prime is 198338069. The reversal of 198338029 is 920833891.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 198338029 - 21 = 198338027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198338027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94269 + ... + 96349.

It is an arithmetic number, because the mean of its divisors is an integer number (24984000).

Almost surely, 2198338029 is an apocalyptic number.

It is an amenable number.

198338029 is a deficient number, since it is larger than the sum of its proper divisors (1533971).

198338029 is a wasteful number, since it uses less digits than its factorization.

198338029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 198338029 is about 14083.2534948427. The cubic root of 198338029 is about 583.1791622686.

The spelling of 198338029 in words is "one hundred ninety-eight million, three hundred thirty-eight thousand, twenty-nine".

Divisors: 1 191 499 2081 95309 397471 1038419 198338029