Base | Representation |
---|---|
bin | 10010011110101… |
… | …001001111100110 |
3 | 210121100210210121 |
4 | 102132221033212 |
5 | 1113331220032 |
6 | 50432512154 |
7 | 10453103362 |
oct | 2236511746 |
9 | 717323717 |
10 | 310023142 |
11 | 149aaaa80 |
12 | 879ab65a |
13 | 4c2ca060 |
14 | 2d2622a2 |
15 | 1c33da97 |
hex | 127a93e6 |
310023142 has 32 divisors (see below), whose sum is σ = 549690624. Its totient is φ = 129280800.
The previous prime is 310023127. The next prime is 310023151. The reversal of 310023142 is 241320013.
It is a happy number.
310023142 is nontrivially palindromic in base 9.
It is a super-2 number, since 2×3100231422 = 192228697151104328, which contains 22 as substring.
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, 44517 + ... + 51007.
It is an arithmetic number, because the mean of its divisors is an integer number (17177832).
Almost surely, 2310023142 is an apocalyptic number.
310023142 is a deficient number, since it is larger than the sum of its proper divisors (239667482).
310023142 is a wasteful number, since it uses less digits than its factorization.
310023142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6684.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 310023142 is about 17607.4740380328. The cubic root of 310023142 is about 676.8067859453.
Adding to 310023142 its reverse (241320013), we get a palindrome (551343155).
The spelling of 310023142 in words is "three hundred ten million, twenty-three thousand, one hundred forty-two".
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