Base | Representation |
---|---|
bin | 110011010100… |
… | …100001011101 |
3 | 221022111121021 |
4 | 303110201131 |
5 | 11421002110 |
6 | 1200204141 |
7 | 222231520 |
oct | 63244135 |
9 | 27274537 |
10 | 13453405 |
11 | 7659819 |
12 | 4609651 |
13 | 2a306c4 |
14 | 1b02bb7 |
15 | 12ab2da |
hex | cd485d |
13453405 has 8 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 9225168.
The previous prime is 13453397. The next prime is 13453457. The reversal of 13453405 is 50435431.
13453405 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 a cyclic number.
It is not a de Polignac number, because 13453405 - 23 = 13453397 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13453405.
It is a congruent number.
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, 192157 + ... + 192226.
It is an arithmetic number, because the mean of its divisors is an integer number (2306304).
Almost surely, 213453405 is an apocalyptic number.
It is an amenable number.
13453405 is a deficient number, since it is larger than the sum of its proper divisors (4997027).
13453405 is an equidigital number, since it uses as much as digits as its factorization.
13453405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384395.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 13453405 is about 3667.8883570796. Note that the first 3 decimals coincide. The cubic root of 13453405 is about 237.8358977516.
Adding to 13453405 its reverse (50435431), we get a palindrome (63888836).
The spelling of 13453405 in words is "thirteen million, four hundred fifty-three thousand, four hundred five".
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