Base | Representation |
---|---|
bin | 110010110010… |
… | …101110111101 |
3 | 221001110202100 |
4 | 302302232331 |
5 | 11402040010 |
6 | 1153215313 |
7 | 221114154 |
oct | 62625675 |
9 | 27043670 |
10 | 13315005 |
11 | 7574840 |
12 | 4561539 |
13 | 29b2702 |
14 | 1aa859b |
15 | 12802c0 |
hex | cb2bbd |
13315005 has 48 divisors (see below), whose sum is σ = 25893504. Its totient is φ = 6272640.
The previous prime is 13314997. The next prime is 13315007. The reversal of 13315005 is 50051331.
It is a happy number.
It is not a de Polignac number, because 13315005 - 23 = 13314997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13315007) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17952 + ... + 18678.
It is an arithmetic number, because the mean of its divisors is an integer number (539448).
Almost surely, 213315005 is an apocalyptic number.
13315005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13315005 is a deficient number, since it is larger than the sum of its proper divisors (12578499).
13315005 is a wasteful number, since it uses less digits than its factorization.
13315005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 786 (or 783 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 18.
The square root of 13315005 is about 3648.9731432281. The cubic root of 13315005 is about 237.0175172653.
Adding to 13315005 its reverse (50051331), we get a palindrome (63366336).
It can be divided in two parts, 1331 and 5005, that added together give a palindrome (6336).
The spelling of 13315005 in words is "thirteen million, three hundred fifteen thousand, five".
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