Base | Representation |
---|---|
bin | 101110010100… |
… | …000000011111 |
3 | 211211210201221 |
4 | 232110000133 |
5 | 11101444300 |
6 | 1112114211 |
7 | 205123156 |
oct | 56240037 |
9 | 24753657 |
10 | 12140575 |
11 | 6942437 |
12 | 4095967 |
13 | 2690c95 |
14 | 188059d |
15 | 10ec31a |
hex | b9401f |
12140575 has 12 divisors (see below), whose sum is σ = 15143128. Its totient is φ = 9655200.
The previous prime is 12140549. The next prime is 12140593. The reversal of 12140575 is 57504121.
It is not a de Polignac number, because 12140575 - 25 = 12140543 is a prime.
It is a super-2 number, since 2×121405752 = 294787122661250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3184 + ... + 5866.
Almost surely, 212140575 is an apocalyptic number.
12140575 is a deficient number, since it is larger than the sum of its proper divisors (3002553).
12140575 is a wasteful number, since it uses less digits than its factorization.
12140575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2874 (or 2869 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 12140575 is about 3484.3327912242. The cubic root of 12140575 is about 229.8333701729.
Adding to 12140575 its reverse (57504121), we get a palindrome (69644696).
The spelling of 12140575 in words is "twelve million, one hundred forty thousand, five hundred seventy-five".
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