Base | Representation |
---|---|
bin | 111001101110… |
… | …010111010000 |
3 | 1001110210100121 |
4 | 321232113100 |
5 | 12333211422 |
6 | 1300200024 |
7 | 242422642 |
oct | 71562720 |
9 | 31423317 |
10 | 15132112 |
11 | 85a5a86 |
12 | 5099014 |
13 | 319a818 |
14 | 201c892 |
15 | 14dd8c7 |
hex | e6e5d0 |
15132112 has 20 divisors (see below), whose sum is σ = 30112036. Its totient is φ = 7361280.
The previous prime is 15132109. The next prime is 15132119. The reversal of 15132112 is 21123151.
It can be written as a sum of positive squares in 2 ways, for example, as 12988816 + 2143296 = 3604^2 + 1464^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15132119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12189 + ... + 13372.
Almost surely, 215132112 is an apocalyptic number.
It is an amenable number.
15132112 is a deficient number, since it is larger than the sum of its proper divisors (14979924).
15132112 is a wasteful number, since it uses less digits than its factorization.
15132112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25606 (or 25600 counting only the distinct ones).
The product of its digits is 60, while the sum is 16.
The square root of 15132112 is about 3890.0015424161. The cubic root of 15132112 is about 247.3431281534.
Adding to 15132112 its reverse (21123151), we get a palindrome (36255263).
The spelling of 15132112 in words is "fifteen million, one hundred thirty-two thousand, one hundred twelve".
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