Base | Representation |
---|---|
bin | 1011010100001… |
… | …1101000000001 |
3 | 10022022100212200 |
4 | 2311003220001 |
5 | 44122303123 |
6 | 4413143413 |
7 | 1114266561 |
oct | 265035001 |
9 | 108270780 |
10 | 47462913 |
11 | 24878653 |
12 | 13a8ab69 |
13 | 9aaa684 |
14 | 6436da1 |
15 | 4278143 |
hex | 2d43a01 |
47462913 has 6 divisors (see below), whose sum is σ = 68557554. Its totient is φ = 31641936.
The previous prime is 47462887. The next prime is 47462923. The reversal of 47462913 is 31926474.
It can be written as a sum of positive squares in only one way, i.e., 29289744 + 18173169 = 5412^2 + 4263^2 .
It is not a de Polignac number, because 47462913 - 25 = 47462881 is a prime.
It is a super-2 number, since 2×474629132 = 4505456220891138, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47462923) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2636820 + ... + 2636837.
It is an arithmetic number, because the mean of its divisors is an integer number (11426259).
Almost surely, 247462913 is an apocalyptic number.
It is an amenable number.
47462913 is a deficient number, since it is larger than the sum of its proper divisors (21094641).
47462913 is a wasteful number, since it uses less digits than its factorization.
47462913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5273663 (or 5273660 counting only the distinct ones).
The product of its digits is 36288, while the sum is 36.
The square root of 47462913 is about 6889.3332768854. Note that the first 3 decimals coincide. The cubic root of 47462913 is about 362.0635425629.
The spelling of 47462913 in words is "forty-seven million, four hundred sixty-two thousand, nine hundred thirteen".
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