Base | Representation |
---|---|
bin | 111100000010… |
… | …0101011001011 |
3 | 2012020011112121 |
4 | 1320010223023 |
5 | 31024221202 |
6 | 3042352111 |
7 | 531355003 |
oct | 170045313 |
9 | 65204477 |
10 | 31476427 |
11 | 16849784 |
12 | a65b637 |
13 | 66a1008 |
14 | 4275003 |
15 | 2b6b537 |
hex | 1e04acb |
31476427 has 8 divisors (see below), whose sum is σ = 32165600. Its totient is φ = 30792960.
The previous prime is 31476413. The next prime is 31476433. The reversal of 31476427 is 72467413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31476427 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31476392 and 31476401.
It is not an unprimeable number, because it can be changed into a prime (31476437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10843 + ... + 13435.
It is an arithmetic number, because the mean of its divisors is an integer number (4020700).
Almost surely, 231476427 is an apocalyptic number.
31476427 is a deficient number, since it is larger than the sum of its proper divisors (689173).
31476427 is a wasteful number, since it uses less digits than its factorization.
31476427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2853.
The product of its digits is 28224, while the sum is 34.
The square root of 31476427 is about 5610.3856373693. The cubic root of 31476427 is about 315.7391795113.
The spelling of 31476427 in words is "thirty-one million, four hundred seventy-six thousand, four hundred twenty-seven".
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