Base | Representation |
---|---|
bin | 110011110000… |
… | …111111111100 |
3 | 221112102121020 |
4 | 303300333330 |
5 | 11433220134 |
6 | 1202504140 |
7 | 223225545 |
oct | 63607774 |
9 | 27472536 |
10 | 13570044 |
11 | 7729414 |
12 | 4665050 |
13 | 2a71817 |
14 | 1b334cc |
15 | 12d0b49 |
hex | cf0ffc |
13570044 has 24 divisors (see below), whose sum is σ = 31973760. Its totient is φ = 4479024.
The previous prime is 13570031. The next prime is 13570049. The reversal of 13570044 is 44007531.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 13569996 and 13570023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13570049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254 + ... + 6725.
It is an arithmetic number, because the mean of its divisors is an integer number (1332240).
Almost surely, 213570044 is an apocalyptic number.
It is an amenable number.
13570044 is an abundant number, since it is smaller than the sum of its proper divisors (18403716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13570044 is a wasteful number, since it uses less digits than its factorization.
13570044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11089 (or 11087 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 13570044 is about 3683.7540634521. The cubic root of 13570044 is about 238.5212547368.
Adding to 13570044 its reverse (44007531), we get a palindrome (57577575).
The spelling of 13570044 in words is "thirteen million, five hundred seventy thousand, forty-four".
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