Base | Representation |
---|---|
bin | 101111001111… |
… | …101111111011 |
3 | 212022020101220 |
4 | 233033233323 |
5 | 11132312100 |
6 | 1121243123 |
7 | 210162450 |
oct | 57175773 |
9 | 25266356 |
10 | 12385275 |
11 | 6a9a271 |
12 | 41934a3 |
13 | 2748486 |
14 | 1905827 |
15 | 1149aa0 |
hex | bcfbfb |
12385275 has 48 divisors (see below), whose sum is σ = 24188928. Its totient is φ = 5472000.
The previous prime is 12385273. The next prime is 12385279. The reversal of 12385275 is 57258321.
It is not a de Polignac number, because 12385275 - 21 = 12385273 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12385271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15895 + ... + 16655.
It is an arithmetic number, because the mean of its divisors is an integer number (503936).
Almost surely, 212385275 is an apocalyptic number.
12385275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12385275 is a deficient number, since it is larger than the sum of its proper divisors (11803653).
12385275 is a wasteful number, since it uses less digits than its factorization.
12385275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812 (or 807 counting only the distinct ones).
The product of its digits is 16800, while the sum is 33.
The square root of 12385275 is about 3519.2719417516. The cubic root of 12385275 is about 231.3672500127.
The spelling of 12385275 in words is "twelve million, three hundred eighty-five thousand, two hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •