Base | Representation |
---|---|
bin | 1011010011111… |
… | …0101101110111 |
3 | 10022021100022000 |
4 | 2310332231313 |
5 | 44121132212 |
6 | 4412510343 |
7 | 1114154136 |
oct | 264765567 |
9 | 108240260 |
10 | 47442807 |
11 | 24864535 |
12 | 13a7b3b3 |
13 | 9aa1489 |
14 | 642d91d |
15 | 42721dc |
hex | 2d3eb77 |
47442807 has 16 divisors (see below), whose sum is σ = 70395360. Its totient is φ = 31579200.
The previous prime is 47442763. The next prime is 47442817. The reversal of 47442807 is 70824474.
It is not a de Polignac number, because 47442807 - 26 = 47442743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47442817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26707 + ... + 28427.
It is an arithmetic number, because the mean of its divisors is an integer number (4399710).
Almost surely, 247442807 is an apocalyptic number.
47442807 is a deficient number, since it is larger than the sum of its proper divisors (22952553).
47442807 is a wasteful number, since it uses less digits than its factorization.
47442807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2751 (or 2745 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 47442807 is about 6887.8739099957. The cubic root of 47442807 is about 362.0124101644.
The spelling of 47442807 in words is "forty-seven million, four hundred forty-two thousand, eight hundred seven".
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