Base | Representation |
---|---|
bin | 1011010010110… |
… | …1110101001010 |
3 | 10022010211102100 |
4 | 2310231311022 |
5 | 44111424032 |
6 | 4411214230 |
7 | 1113445401 |
oct | 264556512 |
9 | 108124370 |
10 | 47373642 |
11 | 24817578 |
12 | 13a47376 |
13 | 9a78b54 |
14 | 6412638 |
15 | 425b97c |
hex | 2d2dd4a |
47373642 has 48 divisors (see below), whose sum is σ = 107497728. Its totient is φ = 15059520.
The previous prime is 47373619. The next prime is 47373643. The reversal of 47373642 is 24637374.
It is a happy number.
47373642 is a `hidden beast` number, since 4 + 7 + 3 + 7 + 3 + 642 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 47373597 and 47373606.
It is not an unprimeable number, because it can be changed into a prime (47373643) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40153 + ... + 41315.
It is an arithmetic number, because the mean of its divisors is an integer number (2239536).
Almost surely, 247373642 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47373642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53748864).
47373642 is an abundant number, since it is smaller than the sum of its proper divisors (60124086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47373642 is a wasteful number, since it uses less digits than its factorization.
47373642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).
The product of its digits is 84672, while the sum is 36.
The square root of 47373642 is about 6882.8512986988. The cubic root of 47373642 is about 361.8364033934.
The spelling of 47373642 in words is "forty-seven million, three hundred seventy-three thousand, six hundred forty-two".
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