Base | Representation |
---|---|
bin | 1011010111100… |
… | …0111101011111 |
3 | 10022201110112212 |
4 | 2311320331133 |
5 | 44201301000 |
6 | 4421551035 |
7 | 1116166520 |
oct | 265707537 |
9 | 108643485 |
10 | 47681375 |
11 | 24a077a5 |
12 | 13b7547b |
13 | 9b55c41 |
14 | 6492847 |
15 | 42bcc35 |
hex | 2d78f5f |
47681375 has 16 divisors (see below), whose sum is σ = 68008512. Its totient is φ = 32695200.
The previous prime is 47681363. The next prime is 47681437. The reversal of 47681375 is 57318674.
It is not a de Polignac number, because 47681375 - 216 = 47615839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26372 + ... + 28121.
It is an arithmetic number, because the mean of its divisors is an integer number (4250532).
Almost surely, 247681375 is an apocalyptic number.
47681375 is a deficient number, since it is larger than the sum of its proper divisors (20327137).
47681375 is an equidigital number, since it uses as much as digits as its factorization.
47681375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54515 (or 54505 counting only the distinct ones).
The product of its digits is 141120, while the sum is 41.
The square root of 47681375 is about 6905.1701644492. The cubic root of 47681375 is about 362.6181937217.
The spelling of 47681375 in words is "forty-seven million, six hundred eighty-one thousand, three hundred seventy-five".
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