Base | Representation |
---|---|
bin | 101110010000… |
… | …010101011100 |
3 | 211211001002210 |
4 | 232100111130 |
5 | 11101004112 |
6 | 1111520420 |
7 | 205031256 |
oct | 56202534 |
9 | 24731083 |
10 | 12125532 |
11 | 6932101 |
12 | 4089110 |
13 | 2687193 |
14 | 1878cd6 |
15 | 10e7b3c |
hex | b9055c |
12125532 has 12 divisors (see below), whose sum is σ = 28292936. Its totient is φ = 4041840.
The previous prime is 12125521. The next prime is 12125543. The reversal of 12125532 is 23552121.
It is an interprime number because it is at equal distance from previous prime (12125521) and next prime (12125543).
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 12125499 and 12125508.
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 3 ways as a sum of consecutive naturals, for example, 505219 + ... + 505242.
Almost surely, 212125532 is an apocalyptic number.
12125532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12125532 is an abundant number, since it is smaller than the sum of its proper divisors (16167404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12125532 is a wasteful number, since it uses less digits than its factorization.
12125532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010468 (or 1010466 counting only the distinct ones).
The product of its digits is 600, while the sum is 21.
The square root of 12125532 is about 3482.1734592062. The cubic root of 12125532 is about 229.7384045349.
Adding to 12125532 its reverse (23552121), we get a palindrome (35677653).
The spelling of 12125532 in words is "twelve million, one hundred twenty-five thousand, five hundred thirty-two".
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