Base | Representation |
---|---|
bin | 11101001111111… |
… | …010000111011111 |
3 | 1021012100121211212 |
4 | 131033322013133 |
5 | 2001110200341 |
6 | 120405335035 |
7 | 15105650600 |
oct | 3517720737 |
9 | 1235317755 |
10 | 490709471 |
11 | 231aa131a |
12 | 11840747b |
13 | 7a881445 |
14 | 49257da7 |
15 | 2d1305eb |
hex | 1d3fa1df |
490709471 has 24 divisors (see below), whose sum is σ = 612989856. Its totient is φ = 390243840.
The previous prime is 490709459. The next prime is 490709473. The reversal of 490709471 is 174907094.
It is a happy number.
It is not a de Polignac number, because 490709471 - 218 = 490447327 is a prime.
It is a super-3 number, since 3×4907094713 (a number of 27 digits) contains 333 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 (490709473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54995 + ... + 63291.
It is an arithmetic number, because the mean of its divisors is an integer number (25541244).
Almost surely, 2490709471 is an apocalyptic number.
490709471 is a deficient number, since it is larger than the sum of its proper divisors (122280385).
490709471 is a wasteful number, since it uses less digits than its factorization.
490709471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8399 (or 8392 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 490709471 is about 22151.9631409950. The cubic root of 490709471 is about 788.7538281565.
The spelling of 490709471 in words is "four hundred ninety million, seven hundred nine thousand, four hundred seventy-one".
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