Base | Representation |
---|---|
bin | 11011000101111… |
… | …101000000110000 |
3 | 1011200022022010220 |
4 | 123011331000300 |
5 | 1412330423311 |
6 | 113034253040 |
7 | 14156400261 |
oct | 3305750060 |
9 | 1150268126 |
10 | 454545456 |
11 | 213640802 |
12 | 108287180 |
13 | 7322b911 |
14 | 44522968 |
15 | 29d8a206 |
hex | 1b17d030 |
454545456 has 40 divisors (see below), whose sum is σ = 1243317744. Its totient is φ = 142602240.
The previous prime is 454545451. The next prime is 454545457. The reversal of 454545456 is 654545454.
454545456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a super-2 number, since 2×4545454562 = 413223143140495872, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (454545451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277705 + ... + 279336.
Almost surely, 2454545456 is an apocalyptic number.
It is an amenable number.
454545456 is an abundant number, since it is smaller than the sum of its proper divisors (788772288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454545456 is a wasteful number, since it uses less digits than its factorization.
454545456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 557069 (or 557063 counting only the distinct ones).
The product of its digits is 960000, while the sum is 42.
The square root of 454545456 is about 21320.0716696732. The cubic root of 454545456 is about 768.8809606488.
The spelling of 454545456 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-six".
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