Base | Representation |
---|---|
bin | 11101010000111… |
… | …001110101000110 |
3 | 1021012211212211022 |
4 | 131100321311012 |
5 | 2001142023223 |
6 | 120415111142 |
7 | 15111115460 |
oct | 3520716506 |
9 | 1235755738 |
10 | 490970438 |
11 | 23215a3a2 |
12 | 1185124b2 |
13 | 7a94316a |
14 | 492c5130 |
15 | 2d182ac8 |
hex | 1d439d46 |
490970438 has 32 divisors (see below), whose sum is σ = 892482624. Its totient is φ = 197747712.
The previous prime is 490970437. The next prime is 490970477. The reversal of 490970438 is 834079094.
It is a super-3 number, since 3×4909704383 (a number of 27 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490970437) 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, 244856 + ... + 246852.
It is an arithmetic number, because the mean of its divisors is an integer number (27890082).
Almost surely, 2490970438 is an apocalyptic number.
490970438 is a deficient number, since it is larger than the sum of its proper divisors (401512186).
490970438 is a wasteful number, since it uses less digits than its factorization.
490970438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3056.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 490970438 is about 22157.8527389276. The cubic root of 490970438 is about 788.8936272662.
The spelling of 490970438 in words is "four hundred ninety million, nine hundred seventy thousand, four hundred thirty-eight".
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