Base | Representation |
---|---|
bin | 11100100111110… |
… | …001001101010101 |
3 | 1020110120001000220 |
4 | 130213301031111 |
5 | 1440411442341 |
6 | 115352024553 |
7 | 14620344513 |
oct | 3447611525 |
9 | 1213501026 |
10 | 480187221 |
11 | 227064848 |
12 | 114992159 |
13 | 78638c67 |
14 | 47ab94b3 |
15 | 2c252a66 |
hex | 1c9f1355 |
480187221 has 8 divisors (see below), whose sum is σ = 657553824. Its totient is φ = 311472720.
The previous prime is 480187193. The next prime is 480187223. The reversal of 480187221 is 122781084.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 480187221 - 227 = 345969493 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (480187223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162895 + ... + 2163116.
It is an arithmetic number, because the mean of its divisors is an integer number (82194228).
Almost surely, 2480187221 is an apocalyptic number.
It is an amenable number.
480187221 is a deficient number, since it is larger than the sum of its proper divisors (177366603).
480187221 is a wasteful number, since it uses less digits than its factorization.
480187221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4326051.
The product of its (nonzero) digits is 7168, while the sum is 33.
The square root of 480187221 is about 21913.1745988572. The cubic root of 480187221 is about 783.0753129785.
The spelling of 480187221 in words is "four hundred eighty million, one hundred eighty-seven thousand, two hundred twenty-one".
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