Base | Representation |
---|---|
bin | 1001010111110110101 |
3 | 120121022000 |
4 | 1022332311 |
5 | 34312000 |
6 | 10325513 |
7 | 2416260 |
oct | 1127665 |
9 | 517260 |
10 | 307125 |
11 | 19a825 |
12 | 129899 |
13 | a9a40 |
14 | 7dcd7 |
15 | 61000 |
hex | 4afb5 |
307125 has 64 divisors (see below), whose sum is σ = 698880. Its totient is φ = 129600.
The previous prime is 307121. The next prime is 307129. The reversal of 307125 is 521703.
Added to its reverse (521703) it gives a triangular number (828828 = T1287).
307125 is nontrivially palindromic in base 14.
It is an interprime number because it is at equal distance from previous prime (307121) and next prime (307129).
It is not a de Polignac number, because 307125 - 22 = 307121 is a prime.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 307098 and 307107.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307125.
It is not an unprimeable number, because it can be changed into a prime (307121) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23619 + ... + 23631.
It is an arithmetic number, because the mean of its divisors is an integer number (10920).
2307125 is an apocalyptic number.
307125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
307125 is an abundant number, since it is smaller than the sum of its proper divisors (391755).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307125 is a wasteful number, since it uses less digits than its factorization.
307125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44 (or 28 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 307125 is about 554.1885960573. The cubic root of 307125 is about 67.4691216791.
Adding to 307125 its reverse (521703), we get a palindrome (828828).
The spelling of 307125 in words is "three hundred seven thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.133 sec. • engine limits •