Base | Representation |
---|---|
bin | 101110101010… |
… | …000001100101 |
3 | 212000101110000 |
4 | 232222001211 |
5 | 11112341012 |
6 | 1114051513 |
7 | 205650120 |
oct | 56520145 |
9 | 25011400 |
10 | 12230757 |
11 | 69a4170 |
12 | 4119b99 |
13 | 26c3046 |
14 | 18a53b7 |
15 | 1118ddc |
hex | baa065 |
12230757 has 80 divisors (see below), whose sum is σ = 23836032. Its totient is φ = 6065280.
The previous prime is 12230731. The next prime is 12230789. The reversal of 12230757 is 75703221.
It is not a de Polignac number, because 12230757 - 26 = 12230693 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 12230757.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230707) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 230743 + ... + 230795.
Almost surely, 212230757 is an apocalyptic number.
12230757 is the 1749-th decagonal number.
It is an amenable number.
12230757 is a deficient number, since it is larger than the sum of its proper divisors (11605275).
12230757 is a wasteful number, since it uses less digits than its factorization.
12230757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 12230757 is about 3497.2499195797. The cubic root of 12230757 is about 230.4010457309.
Adding to 12230757 its reverse (75703221), we get a palindrome (87933978).
The spelling of 12230757 in words is "twelve million, two hundred thirty thousand, seven hundred fifty-seven".
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