Base | Representation |
---|---|
bin | 1011011011110… |
… | …1111111100011 |
3 | 10100020211102022 |
4 | 2312331333203 |
5 | 44234323011 |
6 | 4432012055 |
7 | 1121455055 |
oct | 266757743 |
9 | 110224368 |
10 | 47964131 |
11 | 25090186 |
12 | 1409102b |
13 | 9c24857 |
14 | 65278d5 |
15 | 43268db |
hex | 2dbdfe3 |
47964131 has 8 divisors (see below), whose sum is σ = 50121504. Its totient is φ = 45812800.
The previous prime is 47964127. The next prime is 47964149. The reversal of 47964131 is 13146974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47964131 - 22 = 47964127 is a prime.
It is a super-2 number, since 2×479641312 = 4601115725170322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47964091 and 47964100.
It is not an unprimeable number, because it can be changed into a prime (47964101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24281 + ... + 26181.
It is an arithmetic number, because the mean of its divisors is an integer number (6265188).
Almost surely, 247964131 is an apocalyptic number.
47964131 is a deficient number, since it is larger than the sum of its proper divisors (2157373).
47964131 is a wasteful number, since it uses less digits than its factorization.
47964131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3021.
The product of its digits is 18144, while the sum is 35.
The square root of 47964131 is about 6925.6141243936. The cubic root of 47964131 is about 363.3335705934. Note that the first 3 decimals are identical.
The spelling of 47964131 in words is "forty-seven million, nine hundred sixty-four thousand, one hundred thirty-one".
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