Base | Representation |
---|---|
bin | 111011110110… |
… | …0111001110111 |
3 | 2012001012222112 |
4 | 1313230321313 |
5 | 31013112223 |
6 | 3040321235 |
7 | 530501102 |
oct | 167547167 |
9 | 65035875 |
10 | 31379063 |
11 | 16792611 |
12 | a61321b |
13 | 66688c1 |
14 | 424b739 |
15 | 2b4c778 |
hex | 1dece77 |
31379063 has 8 divisors (see below), whose sum is σ = 32535216. Its totient is φ = 30241600.
The previous prime is 31379057. The next prime is 31379129. The reversal of 31379063 is 36097313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-31379063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31379003) 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, 1208 + ... + 8013.
It is an arithmetic number, because the mean of its divisors is an integer number (4066902).
Almost surely, 231379063 is an apocalyptic number.
31379063 is a deficient number, since it is larger than the sum of its proper divisors (1156153).
31379063 is an equidigital number, since it uses as much as digits as its factorization.
31379063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9345.
The product of its (nonzero) digits is 10206, while the sum is 32.
The square root of 31379063 is about 5601.7017949905. The cubic root of 31379063 is about 315.4132913888.
The spelling of 31379063 in words is "thirty-one million, three hundred seventy-nine thousand, sixty-three".
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