Base | Representation |
---|---|
bin | 10111101000101… |
… | …10011110101110 |
3 | 111211002022100022 |
4 | 23310112132232 |
5 | 401224213232 |
6 | 31401402142 |
7 | 4625202140 |
oct | 1364263656 |
9 | 454068308 |
10 | 198272942 |
11 | a1a1343a |
12 | 56499352 |
13 | 3210118a |
14 | 1c492c90 |
15 | 12617812 |
hex | bd167ae |
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".
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