Base | Representation |
---|---|
bin | 11011001000001… |
… | …000000100001100 |
3 | 1011201101020102212 |
4 | 123020020010030 |
5 | 1413002140040 |
6 | 113054405552 |
7 | 14164261643 |
oct | 3310100414 |
9 | 1151336385 |
10 | 455115020 |
11 | 21399a718 |
12 | 1085008b8 |
13 | 7339ac39 |
14 | 4463035a |
15 | 29e4dd65 |
hex | 1b20810c |
455115020 has 12 divisors (see below), whose sum is σ = 955741584. Its totient is φ = 182046000.
The previous prime is 455115013. The next prime is 455115029. The reversal of 455115020 is 20511554.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (455115029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11377856 + ... + 11377895.
It is an arithmetic number, because the mean of its divisors is an integer number (79645132).
Almost surely, 2455115020 is an apocalyptic number.
It is an amenable number.
455115020 is an abundant number, since it is smaller than the sum of its proper divisors (500626564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455115020 is a wasteful number, since it uses less digits than its factorization.
455115020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22755760 (or 22755758 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 23.
The square root of 455115020 is about 21333.4249477200. The cubic root of 455115020 is about 769.2019730092.
Adding to 455115020 its reverse (20511554), we get a palindrome (475626574).
The spelling of 455115020 in words is "four hundred fifty-five million, one hundred fifteen thousand, twenty".
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