Base | Representation |
---|---|
bin | 11101001110000… |
… | …111100110010111 |
3 | 1021011110210102010 |
4 | 131032013212113 |
5 | 2001000143112 |
6 | 120351315303 |
7 | 15101655216 |
oct | 3516074627 |
9 | 1234423363 |
10 | 490240407 |
11 | 231800968 |
12 | 11821bb33 |
13 | 7a748aa7 |
14 | 4917507d |
15 | 2d08b63c |
hex | 1d387997 |
490240407 has 32 divisors (see below), whose sum is σ = 715951872. Its totient is φ = 297183744.
The previous prime is 490240397. The next prime is 490240411. The reversal of 490240407 is 704042094.
It is not a de Polignac number, because 490240407 - 28 = 490240151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490240427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179748 + ... + 182454.
It is an arithmetic number, because the mean of its divisors is an integer number (22373496).
Almost surely, 2490240407 is an apocalyptic number.
490240407 is a deficient number, since it is larger than the sum of its proper divisors (225711465).
490240407 is a wasteful number, since it uses less digits than its factorization.
490240407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2847.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 490240407 is about 22141.3731958973. The cubic root of 490240407 is about 788.5024275514.
The spelling of 490240407 in words is "four hundred ninety million, two hundred forty thousand, four hundred seven".
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