Base | Representation |
---|---|
bin | 1011001101110… |
… | …0110111111110 |
3 | 10021111222120000 |
4 | 2303130313332 |
5 | 44020321141 |
6 | 4400135130 |
7 | 1110564552 |
oct | 263346776 |
9 | 107458500 |
10 | 47042046 |
11 | 24610427 |
12 | 139074a6 |
13 | 9990c3c |
14 | 6367862 |
15 | 41e35b6 |
hex | 2cdcdfe |
47042046 has 20 divisors (see below), whose sum is σ = 105409392. Its totient is φ = 15680628.
The previous prime is 47042033. The next prime is 47042053. The reversal of 47042046 is 64024074.
It is a super-2 number, since 2×470420462 = 4425908183732232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 145030 + ... + 145353.
Almost surely, 247042046 is an apocalyptic number.
47042046 is an abundant number, since it is smaller than the sum of its proper divisors (58367346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47042046 is a wasteful number, since it uses less digits than its factorization.
47042046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290397 (or 290388 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
The square root of 47042046 is about 6858.7204346000. The cubic root of 47042046 is about 360.9901906211.
The spelling of 47042046 in words is "forty-seven million, forty-two thousand, forty-six".
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