Base | Representation |
---|---|
bin | 11101001110001… |
… | …010111111101111 |
3 | 1021011111111111101 |
4 | 131032022333233 |
5 | 2001001114234 |
6 | 120351503531 |
7 | 15102043612 |
oct | 3516127757 |
9 | 1234444441 |
10 | 490254319 |
11 | 231810365 |
12 | 118227ba7 |
13 | 7a752219 |
14 | 4917a179 |
15 | 2d090814 |
hex | 1d38afef |
490254319 has 4 divisors (see below), whose sum is σ = 491113480. Its totient is φ = 489395160.
The previous prime is 490254307. The next prime is 490254337. The reversal of 490254319 is 913452094.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 490254319 - 215 = 490221551 is a prime.
It is a super-2 number, since 2×4902543192 = 480698594596307522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490252319) 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, 428724 + ... + 429865.
It is an arithmetic number, because the mean of its divisors is an integer number (122778370).
Almost surely, 2490254319 is an apocalyptic number.
490254319 is a deficient number, since it is larger than the sum of its proper divisors (859161).
490254319 is an equidigital number, since it uses as much as digits as its factorization.
490254319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 859160.
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 490254319 is about 22141.6873566583. The cubic root of 490254319 is about 788.5098861655.
The spelling of 490254319 in words is "four hundred ninety million, two hundred fifty-four thousand, three hundred nineteen".
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