Base | Representation |
---|---|
bin | 11101101111111… |
… | …111100010011111 |
3 | 1021210011221022120 |
4 | 131233333202133 |
5 | 2010233322122 |
6 | 121305514023 |
7 | 15240311121 |
oct | 3557774237 |
9 | 1253157276 |
10 | 499120287 |
11 | 236816506 |
12 | 11b1a2913 |
13 | 7c537863 |
14 | 4a407211 |
15 | 2dc4275c |
hex | 1dbff89f |
499120287 has 16 divisors (see below), whose sum is σ = 672583680. Its totient is φ = 329216832.
The previous prime is 499120267. The next prime is 499120379. The reversal of 499120287 is 782021994.
It is not a de Polignac number, because 499120287 - 27 = 499120159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (499120207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154228 + ... + 157430.
It is an arithmetic number, because the mean of its divisors is an integer number (42036480).
Almost surely, 2499120287 is an apocalyptic number.
499120287 is a deficient number, since it is larger than the sum of its proper divisors (173463393).
499120287 is a wasteful number, since it uses less digits than its factorization.
499120287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3742.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 499120287 is about 22341.0001342823. Note that the first 3 decimals coincide. The cubic root of 499120287 is about 793.2347669405.
It can be divided in two parts, 499 and 120287, that added together give a triangular number (120786 = T491).
The spelling of 499120287 in words is "four hundred ninety-nine million, one hundred twenty thousand, two hundred eighty-seven".
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