Base | Representation |
---|---|
bin | 110001101011… |
… | …110100101101 |
3 | 220111201100000 |
4 | 301223310231 |
5 | 11313241212 |
6 | 1143054513 |
7 | 215464320 |
oct | 61536455 |
9 | 26451300 |
10 | 13024557 |
11 | 73965a7 |
12 | 4441439 |
13 | 2910450 |
14 | 1a307b7 |
15 | 12241dc |
hex | c6bd2d |
13024557 has 96 divisors (see below), whose sum is σ = 26091520. Its totient is φ = 6298560.
The previous prime is 13024547. The next prime is 13024559. The reversal of 13024557 is 75542031.
It is a happy number.
It is not a de Polignac number, because 13024557 - 24 = 13024541 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 13024557.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13024559) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 420132 + ... + 420162.
It is a vampire number, since it can be written as 2457 ⋅ 5301 (with its own digits).
Almost surely, 213024557 is an apocalyptic number.
It is an amenable number.
13024557 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
13024557 is a wasteful number, since it uses less digits than its factorization.
13024557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85 (or 73 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 13024557 is about 3608.9551119403. The cubic root of 13024557 is about 235.2814313515.
Adding to 13024557 its reverse (75542031), we get a palindrome (88566588).
The spelling of 13024557 in words is "thirteen million, twenty-four thousand, five hundred fifty-seven".
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