Base | Representation |
---|---|
bin | 11011000111110… |
… | …111000100110110 |
3 | 1011201020200222110 |
4 | 123013313010312 |
5 | 1412442423210 |
6 | 113053111450 |
7 | 14163552030 |
oct | 3307670466 |
9 | 1151220873 |
10 | 455045430 |
11 | 213952404 |
12 | 108488586 |
13 | 73375368 |
14 | 44612c50 |
15 | 29e38420 |
hex | 1b1f7136 |
455045430 has 128 divisors (see below), whose sum is σ = 1280240640. Its totient is φ = 101376000.
The previous prime is 455045419. The next prime is 455045447. The reversal of 455045430 is 34540554.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 1812805 + ... + 1813055.
It is an arithmetic number, because the mean of its divisors is an integer number (10001880).
Almost surely, 2455045430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 455045430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640120320).
455045430 is an abundant number, since it is smaller than the sum of its proper divisors (825195210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455045430 is a wasteful number, since it uses less digits than its factorization.
455045430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454.
The product of its (nonzero) digits is 24000, while the sum is 30.
The square root of 455045430 is about 21331.7938767465. The cubic root of 455045430 is about 769.1627657089.
Adding to 455045430 its reverse (34540554), we get a palindrome (489585984).
The spelling of 455045430 in words is "four hundred fifty-five million, forty-five thousand, four hundred thirty".
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