Base | Representation |
---|---|
bin | 10010100111011… |
… | …010011111100111 |
3 | 210202200121021100 |
4 | 102213122133213 |
5 | 1114423301043 |
6 | 50554051143 |
7 | 10511456556 |
oct | 2247323747 |
9 | 722617240 |
10 | 312322023 |
11 | 150330182 |
12 | 88719ab3 |
13 | 4c923540 |
14 | 2d69dd9d |
15 | 1c644cd3 |
hex | 129da7e7 |
312322023 has 12 divisors (see below), whose sum is σ = 485834440. Its totient is φ = 192198096.
The previous prime is 312322009. The next prime is 312322081. The reversal of 312322023 is 320223213.
It is a happy number.
It is not a de Polignac number, because 312322023 - 24 = 312322007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 312321987 and 312322005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312320023) 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, 1334593 + ... + 1334826.
Almost surely, 2312322023 is an apocalyptic number.
312322023 is a deficient number, since it is larger than the sum of its proper divisors (173512417).
312322023 is a wasteful number, since it uses less digits than its factorization.
312322023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2669438 (or 2669435 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 312322023 is about 17672.6348629739. The cubic root of 312322023 is about 678.4755519763.
Adding to 312322023 its reverse (320223213), we get a palindrome (632545236).
The spelling of 312322023 in words is "three hundred twelve million, three hundred twenty-two thousand, twenty-three".
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