Base | Representation |
---|---|
bin | 1011011010111… |
… | …1100100000101 |
3 | 10100010211100100 |
4 | 2312233210011 |
5 | 44230430104 |
6 | 4430434313 |
7 | 1121120544 |
oct | 266574405 |
9 | 110124310 |
10 | 47905029 |
11 | 2504a837 |
12 | 14062999 |
13 | 9c03993 |
14 | 651015b |
15 | 4314139 |
hex | 2daf905 |
47905029 has 12 divisors (see below), whose sum is σ = 69316000. Its totient is φ = 31881384.
The previous prime is 47905001. The next prime is 47905037. The reversal of 47905029 is 92050974.
It is not a de Polignac number, because 47905029 - 212 = 47900933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47904984 and 47905002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47905729) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 9870.
Almost surely, 247905029 is an apocalyptic number.
It is an amenable number.
47905029 is a deficient number, since it is larger than the sum of its proper divisors (21410971).
47905029 is a wasteful number, since it uses less digits than its factorization.
47905029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9224 (or 9221 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 47905029 is about 6921.3458951276. The cubic root of 47905029 is about 363.1842745371.
The spelling of 47905029 in words is "forty-seven million, nine hundred five thousand, twenty-nine".
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