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198272942 = 27192925703
BaseRepresentation
bin10111101000101…
…10011110101110
3111211002022100022
423310112132232
5401224213232
631401402142
74625202140
oct1364263656
9454068308
10198272942
11a1a1343a
1256499352
133210118a
141c492c90
1512617812
hexbd167ae

198272942 has 32 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 77722848.

The previous prime is 198272929. The next prime is 198272951. The reversal of 198272942 is 249272891.

198272942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198272893 and 198272902.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5138 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2198272942 is an apocalyptic number.

198272942 is a deficient number, since it is larger than the sum of its proper divisors (171864658).

198272942 is a wasteful number, since it uses less digits than its factorization.

198272942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25760.

The product of its digits is 145152, while the sum is 44.

The square root of 198272942 is about 14080.9425110679. The cubic root of 198272942 is about 583.1153628800.

The spelling of 198272942 in words is "one hundred ninety-eight million, two hundred seventy-two thousand, nine hundred forty-two".

Divisors: 1 2 7 14 19 29 38 58 133 203 266 406 551 1102 3857 7714 25703 51406 179921 359842 488357 745387 976714 1490774 3418499 5217709 6836998 10435418 14162353 28324706 99136471 198272942