Base | Representation |
---|---|
bin | 10010101010100… |
… | …011101010100111 |
3 | 210211020110120212 |
4 | 102222203222213 |
5 | 1120131133043 |
6 | 51023450035 |
7 | 10521461111 |
oct | 2252435247 |
9 | 724213525 |
10 | 313146023 |
11 | 150843273 |
12 | 88a5691b |
13 | 4cb51608 |
14 | 2d8363b1 |
15 | 1c759018 |
hex | 12aa3aa7 |
313146023 has 4 divisors (see below), whose sum is σ = 313369680. Its totient is φ = 312922368.
The previous prime is 313145993. The next prime is 313146037. The reversal of 313146023 is 320641313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-313146023 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 313146023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313146083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109715 + ... + 112532.
It is an arithmetic number, because the mean of its divisors is an integer number (78342420).
Almost surely, 2313146023 is an apocalyptic number.
313146023 is a deficient number, since it is larger than the sum of its proper divisors (223657).
313146023 is a wasteful number, since it uses less digits than its factorization.
313146023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223656.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 313146023 is about 17695.9323857207. The cubic root of 313146023 is about 679.0717026084.
Adding to 313146023 its reverse (320641313), we get a palindrome (633787336).
The spelling of 313146023 in words is "three hundred thirteen million, one hundred forty-six thousand, twenty-three".
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