Base | Representation |
---|---|
bin | 11011000011110… |
… | …011000100100110 |
3 | 1011122020121002220 |
4 | 123003303010212 |
5 | 1412204333304 |
6 | 113014213210 |
7 | 14151525114 |
oct | 3303630446 |
9 | 1148217086 |
10 | 453980454 |
11 | 213295264 |
12 | 108054206 |
13 | 730916b5 |
14 | 44416ab4 |
15 | 29cc7ad9 |
hex | 1b0f3126 |
453980454 has 32 divisors (see below), whose sum is σ = 955263456. Its totient is φ = 143642880.
The previous prime is 453980453. The next prime is 453980479. The reversal of 453980454 is 454089354.
It is a super-2 number, since 2×4539804542 = 412196505228092232, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (453980453) 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, 15837 + ... + 34040.
It is an arithmetic number, because the mean of its divisors is an integer number (29851983).
Almost surely, 2453980454 is an apocalyptic number.
453980454 is an abundant number, since it is smaller than the sum of its proper divisors (501283002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
453980454 is a wasteful number, since it uses less digits than its factorization.
453980454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49960.
The product of its (nonzero) digits is 345600, while the sum is 42.
The square root of 453980454 is about 21306.8170781091. The cubic root of 453980454 is about 768.5622544232.
Subtracting 453980454 from its reverse (454089354), we obtain a square (108900 = 3302).
The spelling of 453980454 in words is "four hundred fifty-three million, nine hundred eighty thousand, four hundred fifty-four".
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