Base | Representation |
---|---|
bin | 11011001000001… |
… | …011110101000000 |
3 | 1011201102000120200 |
4 | 123020023311000 |
5 | 1413003133212 |
6 | 113055005200 |
7 | 14164354611 |
oct | 3310136500 |
9 | 1151360520 |
10 | 455130432 |
11 | 213a00259 |
12 | 108509800 |
13 | 733a4c63 |
14 | 44635c08 |
15 | 29e536dc |
hex | 1b20bd40 |
455130432 has 84 divisors (see below), whose sum is σ = 1307691060. Its totient is φ = 151345152.
The previous prime is 455130419. The next prime is 455130433. The reversal of 455130432 is 234031554.
It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 314565696 = 11856^2 + 17736^2 .
It is a junction number, because it is equal to n+sod(n) for n = 455130396 and 455130405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (455130433) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352444 + ... + 353732.
Almost surely, 2455130432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 455130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653845530).
455130432 is an abundant number, since it is smaller than the sum of its proper divisors (852560628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455130432 is a wasteful number, since it uses less digits than its factorization.
455130432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1920 (or 1907 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 455130432 is about 21333.7861618607. The cubic root of 455130432 is about 769.2106556546.
Adding to 455130432 its reverse (234031554), we get a palindrome (689161986).
The spelling of 455130432 in words is "four hundred fifty-five million, one hundred thirty thousand, four hundred thirty-two".
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