Base | Representation |
---|---|
bin | 110011010100… |
… | …111011011111 |
3 | 221022120212222 |
4 | 303110323133 |
5 | 11421030241 |
6 | 1200215555 |
7 | 222236420 |
oct | 63247337 |
9 | 27276788 |
10 | 13455071 |
11 | 765aaa3 |
12 | 460a5bb |
13 | 2a313a6 |
14 | 1b03647 |
15 | 12aba4b |
hex | cd4edf |
13455071 has 4 divisors (see below), whose sum is σ = 15377232. Its totient is φ = 11532912.
The previous prime is 13455067. The next prime is 13455073. The reversal of 13455071 is 17055431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17055431 = 1321 ⋅12911.
It is a cyclic number.
It is not a de Polignac number, because 13455071 - 22 = 13455067 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13455071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13455073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961070 + ... + 961083.
It is an arithmetic number, because the mean of its divisors is an integer number (3844308).
Almost surely, 213455071 is an apocalyptic number.
13455071 is a deficient number, since it is larger than the sum of its proper divisors (1922161).
13455071 is an equidigital number, since it uses as much as digits as its factorization.
13455071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1922160.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 13455071 is about 3668.1154561982. The cubic root of 13455071 is about 237.8457148016.
The spelling of 13455071 in words is "thirteen million, four hundred fifty-five thousand, seventy-one".
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