Base | Representation |
---|---|
bin | 10010011110101… |
… | …001011101001101 |
3 | 210121100211222212 |
4 | 102132221131031 |
5 | 1113331232023 |
6 | 50432520205 |
7 | 10453106045 |
oct | 2236513515 |
9 | 717324885 |
10 | 310024013 |
11 | 14a0006a2 |
12 | 879b0065 |
13 | 4c2ca580 |
14 | 2d262725 |
15 | 1c33de78 |
hex | 127a974d |
310024013 has 16 divisors (see below), whose sum is σ = 339606960. Its totient is φ = 281304576.
The previous prime is 310024009. The next prime is 310024037. The reversal of 310024013 is 310420013.
It can be written as a sum of positive squares in 8 ways, for example, as 13564489 + 296459524 = 3683^2 + 17218^2 .
It is a cyclic number.
It is not a de Polignac number, because 310024013 - 22 = 310024009 is a prime.
It is a super-2 number, since 2×3100240132 = 192229777273248338, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310024003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193331 + ... + 194927.
It is an arithmetic number, because the mean of its divisors is an integer number (21225435).
Almost surely, 2310024013 is an apocalyptic number.
It is an amenable number.
310024013 is a deficient number, since it is larger than the sum of its proper divisors (29582947).
310024013 is a wasteful number, since it uses less digits than its factorization.
310024013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1856.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 310024013 is about 17607.4987718301. The cubic root of 310024013 is about 676.8074197670.
Adding to 310024013 its reverse (310420013), we get a palindrome (620444026).
The spelling of 310024013 in words is "three hundred ten million, twenty-four thousand, thirteen".
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