Base | Representation |
---|---|
bin | 1011011010111… |
… | …0110111110010 |
3 | 10100010200110100 |
4 | 2312232313302 |
5 | 44230332234 |
6 | 4430413230 |
7 | 1121106354 |
oct | 266566762 |
9 | 110120410 |
10 | 47902194 |
11 | 2504869a |
12 | 14061216 |
13 | 9c025c2 |
14 | 650d0d4 |
15 | 4313399 |
hex | 2daedf2 |
47902194 has 12 divisors (see below), whose sum is σ = 103788126. Its totient is φ = 15967392.
The previous prime is 47902181. The next prime is 47902201. The reversal of 47902194 is 49120974.
It can be written as a sum of positive squares in only one way, i.e., 44715969 + 3186225 = 6687^2 + 1785^2 .
It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 1330599 + ... + 1330634.
Almost surely, 247902194 is an apocalyptic number.
47902194 is an abundant number, since it is smaller than the sum of its proper divisors (55885932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47902194 is a wasteful number, since it uses less digits than its factorization.
47902194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2661241 (or 2661238 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 47902194 is about 6921.1410908896. The cubic root of 47902194 is about 363.1771100303.
The spelling of 47902194 in words is "forty-seven million, nine hundred two thousand, one hundred ninety-four".
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