Base | Representation |
---|---|
bin | 10010001011110… |
… | …111011010000111 |
3 | 210021002201002200 |
4 | 102023313122013 |
5 | 1111101203143 |
6 | 50135205543 |
7 | 10363211415 |
oct | 2213673207 |
9 | 707081080 |
10 | 305100423 |
11 | 147248511 |
12 | 862168b3 |
13 | 4b2954c4 |
14 | 2c7402b5 |
15 | 1bbba1d3 |
hex | 122f7687 |
305100423 has 12 divisors (see below), whose sum is σ = 463895640. Its totient is φ = 192694896.
The previous prime is 305100421. The next prime is 305100431. The reversal of 305100423 is 324001503.
It is not a de Polignac number, because 305100423 - 21 = 305100421 is a prime.
It is a super-2 number, since 2×3051004232 = 186172536229557858, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 305100396 and 305100405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305100421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891936 + ... + 892277.
It is an arithmetic number, because the mean of its divisors is an integer number (38657970).
Almost surely, 2305100423 is an apocalyptic number.
305100423 is a deficient number, since it is larger than the sum of its proper divisors (158795217).
305100423 is a wasteful number, since it uses less digits than its factorization.
305100423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1784238 (or 1784235 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 305100423 is about 17467.1240620773. The cubic root of 305100423 is about 673.2054190948.
Adding to 305100423 its reverse (324001503), we get a palindrome (629101926).
The spelling of 305100423 in words is "three hundred five million, one hundred thousand, four hundred twenty-three".
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