Base | Representation |
---|---|
bin | 11011000111111… |
… | …101110101110010 |
3 | 1011201022002222200 |
4 | 123013331311302 |
5 | 1412444320023 |
6 | 113053444030 |
7 | 14164025562 |
oct | 3307756562 |
9 | 1151262880 |
10 | 455073138 |
11 | 213971203 |
12 | 1084a0616 |
13 | 73384b60 |
14 | 4461cda2 |
15 | 29e41743 |
hex | 1b1fdd72 |
455073138 has 48 divisors (see below), whose sum is σ = 1090556376. Its totient is φ = 136235520.
The previous prime is 455073137. The next prime is 455073139. The reversal of 455073138 is 831370554.
455073138 is a `hidden beast` number, since 4 + 550 + 73 + 1 + 38 = 666.
It is an interprime number because it is at equal distance from previous prime (455073137) and next prime (455073139).
It can be written as a sum of positive squares in 4 ways, for example, as 443397249 + 11675889 = 21057^2 + 3417^2 .
It is not an unprimeable number, because it can be changed into a prime (455073137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17623 + ... + 34938.
Almost surely, 2455073138 is an apocalyptic number.
455073138 is an abundant number, since it is smaller than the sum of its proper divisors (635483238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455073138 is a wasteful number, since it uses less digits than its factorization.
455073138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52619 (or 52616 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 455073138 is about 21332.4433199763. The cubic root of 455073138 is about 769.1783769922.
The spelling of 455073138 in words is "four hundred fifty-five million, seventy-three thousand, one hundred thirty-eight".
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