Base | Representation |
---|---|
bin | 11101000001111… |
… | …011101000000111 |
3 | 1020221110111000101 |
4 | 131001323220013 |
5 | 1444140430024 |
6 | 120155024531 |
7 | 15032551063 |
oct | 3501735007 |
9 | 1227414011 |
10 | 487045639 |
11 | 22aa19663 |
12 | 11713b147 |
13 | 79b9a8b2 |
14 | 48982aa3 |
15 | 2cb59c44 |
hex | 1d07ba07 |
487045639 has 8 divisors (see below), whose sum is σ = 513319040. Its totient is φ = 460836216.
The previous prime is 487045627. The next prime is 487045651. The reversal of 487045639 is 936540784.
It is an interprime number because it is at equal distance from previous prime (487045627) and next prime (487045651).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 487045639 - 215 = 487012871 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487045679) 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, 64 + ... + 31210.
It is an arithmetic number, because the mean of its divisors is an integer number (64164880).
Almost surely, 2487045639 is an apocalyptic number.
487045639 is a deficient number, since it is larger than the sum of its proper divisors (26273401).
487045639 is a wasteful number, since it uses less digits than its factorization.
487045639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31989.
The product of its (nonzero) digits is 725760, while the sum is 46.
The square root of 487045639 is about 22069.1105167381. The cubic root of 487045639 is about 786.7858722648.
The spelling of 487045639 in words is "four hundred eighty-seven million, forty-five thousand, six hundred thirty-nine".
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