Base | Representation |
---|---|
bin | 11011001000100… |
… | …100001010111100 |
3 | 1011201121002100120 |
4 | 123020210022330 |
5 | 1413014331030 |
6 | 113101054540 |
7 | 14165251401 |
oct | 3310441274 |
9 | 1151532316 |
10 | 455230140 |
11 | 213a69162 |
12 | 108557450 |
13 | 7340b461 |
14 | 446602a8 |
15 | 29e73010 |
hex | 1b2242bc |
455230140 has 48 divisors (see below), whose sum is σ = 1276033920. Its totient is φ = 121262400.
The previous prime is 455230073. The next prime is 455230163. The reversal of 455230140 is 41032554.
It is a self number, because there is not a number n which added to its sum of digits gives 455230140.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 59451 + ... + 66669.
It is an arithmetic number, because the mean of its divisors is an integer number (26584040).
Almost surely, 2455230140 is an apocalyptic number.
It is an amenable number.
455230140 is an abundant number, since it is smaller than the sum of its proper divisors (820803780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455230140 is a wasteful number, since it uses less digits than its factorization.
455230140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8282 (or 8280 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 455230140 is about 21336.1228905347. The cubic root of 455230140 is about 769.2668233306.
Adding to 455230140 its reverse (41032554), we get a palindrome (496262694).
The spelling of 455230140 in words is "four hundred fifty-five million, two hundred thirty thousand, one hundred forty".
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