Base | Representation |
---|---|
bin | 11100101001101… |
… | …100000100010001 |
3 | 1020111111121022222 |
4 | 130221230010101 |
5 | 1441024043244 |
6 | 115410510425 |
7 | 14624541611 |
oct | 3451540421 |
9 | 1214447288 |
10 | 480690449 |
11 | 227378938 |
12 | 114b95415 |
13 | 78784025 |
14 | 47baaa41 |
15 | 2c301bee |
hex | 1ca6c111 |
480690449 has 4 divisors (see below), whose sum is σ = 480773940. Its totient is φ = 480606960.
The previous prime is 480690439. The next prime is 480690461. The reversal of 480690449 is 944096084.
It is a happy number.
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 133240849 + 347449600 = 11543^2 + 18640^2 .
It is a cyclic number.
It is not a de Polignac number, because 480690449 - 216 = 480624913 is a prime.
It is a super-3 number, since 3×4806904493 (a number of 27 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (480690439) 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, 32414 + ... + 44855.
It is an arithmetic number, because the mean of its divisors is an integer number (120193485).
Almost surely, 2480690449 is an apocalyptic number.
It is an amenable number.
480690449 is a deficient number, since it is larger than the sum of its proper divisors (83491).
480690449 is an equidigital number, since it uses as much as digits as its factorization.
480690449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83490.
The product of its (nonzero) digits is 248832, while the sum is 44.
The square root of 480690449 is about 21924.6539083289. The cubic root of 480690449 is about 783.3487673233.
The spelling of 480690449 in words is "four hundred eighty million, six hundred ninety thousand, four hundred forty-nine".
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