Base | Representation |
---|---|
bin | 11011001000000… |
… | …101101001110110 |
3 | 1011201100201220000 |
4 | 123020011221312 |
5 | 1413001331032 |
6 | 113054252130 |
7 | 14164221102 |
oct | 3310055166 |
9 | 1151321800 |
10 | 455105142 |
11 | 213993258 |
12 | 1084b7046 |
13 | 733965ab |
14 | 4462a902 |
15 | 29e4ae7c |
hex | 1b205a76 |
455105142 has 20 divisors (see below), whose sum is σ = 1019772996. Its totient is φ = 151701660.
The previous prime is 455105137. The next prime is 455105159. The reversal of 455105142 is 241501554.
455105142 is a `hidden beast` number, since 4 + 5 + 510 + 5 + 142 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1404484 + ... + 1404807.
Almost surely, 2455105142 is an apocalyptic number.
455105142 is an abundant number, since it is smaller than the sum of its proper divisors (564667854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455105142 is a wasteful number, since it uses less digits than its factorization.
455105142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2809305 (or 2809296 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 455105142 is about 21333.1934318329. The cubic root of 455105142 is about 769.1964079456.
Adding to 455105142 its reverse (241501554), we get a palindrome (696606696).
The spelling of 455105142 in words is "four hundred fifty-five million, one hundred five thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •