Base | Representation |
---|---|
bin | 10010101010100… |
… | …011010000011001 |
3 | 210211020101021201 |
4 | 102222203100121 |
5 | 1120131104340 |
6 | 51023434201 |
7 | 10521453163 |
oct | 2252432031 |
9 | 724211251 |
10 | 313144345 |
11 | 150841a88 |
12 | 88a55961 |
13 | 4cb50917 |
14 | 2d835933 |
15 | 1c75879a |
hex | 12aa3419 |
313144345 has 16 divisors (see below), whose sum is σ = 378862848. Its totient is φ = 248466240.
The previous prime is 313144327. The next prime is 313144367. The reversal of 313144345 is 543441313.
It is not a de Polignac number, because 313144345 - 25 = 313144313 is a prime.
It is a Duffinian 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, 430372 + ... + 431098.
It is an arithmetic number, because the mean of its divisors is an integer number (23678928).
Almost surely, 2313144345 is an apocalyptic number.
It is an amenable number.
313144345 is a deficient number, since it is larger than the sum of its proper divisors (65718503).
313144345 is a wasteful number, since it uses less digits than its factorization.
313144345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1320.
The product of its digits is 8640, while the sum is 28.
The square root of 313144345 is about 17695.8849736316. The cubic root of 313144345 is about 679.0704896659.
Adding to 313144345 its reverse (543441313), we get a palindrome (856585658).
The spelling of 313144345 in words is "three hundred thirteen million, one hundred forty-four thousand, three hundred forty-five".
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