Base | Representation |
---|---|
bin | 1011110001011… |
… | …0011011000110 |
3 | 10102220111122200 |
4 | 2330112123012 |
5 | 100114444133 |
6 | 4522135330 |
7 | 1136452125 |
oct | 274263306 |
9 | 112814580 |
10 | 49374918 |
11 | 2596411a |
12 | 14651546 |
13 | a2c9a38 |
14 | 67b3abc |
15 | 4504913 |
hex | 2f166c6 |
49374918 has 24 divisors (see below), whose sum is σ = 107184168. Its totient is φ = 16426752.
The previous prime is 49374911. The next prime is 49374931. The reversal of 49374918 is 81947394.
49374918 is a `hidden beast` number, since 493 + 74 + 91 + 8 = 666.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49374911) 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, 8230 + ... + 12902.
It is an arithmetic number, because the mean of its divisors is an integer number (4466007).
Almost surely, 249374918 is an apocalyptic number.
49374918 is an abundant number, since it is smaller than the sum of its proper divisors (57809250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49374918 is a wasteful number, since it uses less digits than its factorization.
49374918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5268 (or 5265 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 49374918 is about 7026.7288264170. The cubic root of 49374918 is about 366.8614929723.
The spelling of 49374918 in words is "forty-nine million, three hundred seventy-four thousand, nine hundred eighteen".
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