Base | Representation |
---|---|
bin | 1001100001011011001 |
3 | 120212000111 |
4 | 1030023121 |
5 | 34441100 |
6 | 10404321 |
7 | 2436460 |
oct | 1141331 |
9 | 525014 |
10 | 312025 |
11 | 1a347a |
12 | 1306a1 |
13 | ac03c |
14 | 819d7 |
15 | 626ba |
hex | 4c2d9 |
312025 has 12 divisors (see below), whose sum is σ = 442432. Its totient is φ = 213840.
The previous prime is 312023. The next prime is 312029. The reversal of 312025 is 520213.
It is not a de Polignac number, because 312025 - 21 = 312023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 311996 and 312014.
It is not an unprimeable number, because it can be changed into a prime (312023) 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, 717 + ... + 1066.
2312025 is an apocalyptic number.
312025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
312025 is a deficient number, since it is larger than the sum of its proper divisors (130407).
312025 is a wasteful number, since it uses less digits than its factorization.
312025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1800 (or 1795 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 312025 is about 558.5919798923. The cubic root of 312025 is about 67.8260403565.
Adding to 312025 its reverse (520213), we get a palindrome (832238).
The spelling of 312025 in words is "three hundred twelve thousand, twenty-five".
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