Base | Representation |
---|---|
bin | 110011010101… |
… | …000000101001 |
3 | 221022121100012 |
4 | 303111000221 |
5 | 11421033101 |
6 | 1200221305 |
7 | 222240401 |
oct | 63250051 |
9 | 27277305 |
10 | 13455401 |
11 | 7660273 |
12 | 460a835 |
13 | 2a3159b |
14 | 1b03801 |
15 | 12abbbb |
hex | cd5029 |
13455401 has 4 divisors (see below), whose sum is σ = 14163600. Its totient is φ = 12747204.
The previous prime is 13455397. The next prime is 13455413. The reversal of 13455401 is 10455431.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10455431 = 7 ⋅1493633.
It is a cyclic number.
It is not a de Polignac number, because 13455401 - 22 = 13455397 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (13451401) 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, 354071 + ... + 354108.
It is an arithmetic number, because the mean of its divisors is an integer number (3540900).
Almost surely, 213455401 is an apocalyptic number.
It is an amenable number.
13455401 is a deficient number, since it is larger than the sum of its proper divisors (708199).
13455401 is an equidigital number, since it uses as much as digits as its factorization.
13455401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708198.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 13455401 is about 3668.1604381488. The cubic root of 13455401 is about 237.8476592592.
The spelling of 13455401 in words is "thirteen million, four hundred fifty-five thousand, four hundred one".
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