Base | Representation |
---|---|
bin | 11101010000000… |
… | …101001001111111 |
3 | 1021012102220212112 |
4 | 131100011021333 |
5 | 2001113122222 |
6 | 120410324235 |
7 | 15106226453 |
oct | 3520051177 |
9 | 1235386775 |
10 | 490754687 |
11 | 232022295 |
12 | 11842967b |
13 | 7a898bb7 |
14 | 4926a663 |
15 | 2d13dbe2 |
hex | 1d40527f |
490754687 has 8 divisors (see below), whose sum is σ = 494993856. Its totient is φ = 486525312.
The previous prime is 490754669. The next prime is 490754701. The reversal of 490754687 is 786457094.
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 490754687 - 210 = 490753663 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 (490754647) 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, 126458 + ... + 130280.
It is an arithmetic number, because the mean of its divisors is an integer number (61874232).
Almost surely, 2490754687 is an apocalyptic number.
490754687 is a deficient number, since it is larger than the sum of its proper divisors (4239169).
490754687 is a wasteful number, since it uses less digits than its factorization.
490754687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4897.
The product of its (nonzero) digits is 1693440, while the sum is 50.
The square root of 490754687 is about 22152.9837042327. The cubic root of 490754687 is about 788.7780537589.
The spelling of 490754687 in words is "four hundred ninety million, seven hundred fifty-four thousand, six hundred eighty-seven".
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