Base | Representation |
---|---|
bin | 110011001100… |
… | …011101000011 |
3 | 221020211021012 |
4 | 303030131003 |
5 | 11413422410 |
6 | 1155351135 |
7 | 222033254 |
oct | 63143503 |
9 | 27224235 |
10 | 13420355 |
11 | 7636a03 |
12 | 45b24ab |
13 | 2a1b650 |
14 | 1ad4b2b |
15 | 12a1605 |
hex | ccc743 |
13420355 has 8 divisors (see below), whose sum is σ = 17343312. Its totient is φ = 9910368.
The previous prime is 13420331. The next prime is 13420387. The reversal of 13420355 is 55302431.
13420355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13420355 - 26 = 13420291 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 13420355.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103169 + ... + 103298.
It is an arithmetic number, because the mean of its divisors is an integer number (2167914).
Almost surely, 213420355 is an apocalyptic number.
13420355 is a deficient number, since it is larger than the sum of its proper divisors (3922957).
13420355 is a wasteful number, since it uses less digits than its factorization.
13420355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206485.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 13420355 is about 3663.3802696417. The cubic root of 13420355 is about 237.6409800096.
Adding to 13420355 its reverse (55302431), we get a palindrome (68722786).
The spelling of 13420355 in words is "thirteen million, four hundred twenty thousand, three hundred fifty-five".
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