Base | Representation |
---|---|
bin | 110011010011… |
… | …110011111001 |
3 | 221022100121021 |
4 | 303103303321 |
5 | 11420403424 |
6 | 1200142441 |
7 | 222220153 |
oct | 63236371 |
9 | 27270537 |
10 | 13450489 |
11 | 7657608 |
12 | 4607a21 |
13 | 2a2c290 |
14 | 1b01ad3 |
15 | 12aa4e4 |
hex | cd3cf9 |
13450489 has 4 divisors (see below), whose sum is σ = 14485156. Its totient is φ = 12415824.
The previous prime is 13450487. The next prime is 13450511. The reversal of 13450489 is 98405431.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1836025 + 11614464 = 1355^2 + 3408^2 .
It is a cyclic number.
It is not a de Polignac number, because 13450489 - 21 = 13450487 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13450487) 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, 517314 + ... + 517339.
It is an arithmetic number, because the mean of its divisors is an integer number (3621289).
Almost surely, 213450489 is an apocalyptic number.
It is an amenable number.
13450489 is a deficient number, since it is larger than the sum of its proper divisors (1034667).
13450489 is a wasteful number, since it uses less digits than its factorization.
13450489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1034666.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 13450489 is about 3667.4908316177. The cubic root of 13450489 is about 237.8187130168.
The spelling of 13450489 in words is "thirteen million, four hundred fifty thousand, four hundred eighty-nine".
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