Base | Representation |
---|---|
bin | 1001100110001… |
… | …1101001111000 |
3 | 2210202010012120 |
4 | 2121203221320 |
5 | 40301112242 |
6 | 3554441240 |
7 | 666103545 |
oct | 231435170 |
9 | 83663176 |
10 | 40254072 |
11 | 207a4531 |
12 | 11593220 |
13 | 84553a1 |
14 | 54bbbcc |
15 | 38021ec |
hex | 2663a78 |
40254072 has 16 divisors (see below), whose sum is σ = 100635240. Its totient is φ = 13418016.
The previous prime is 40254041. The next prime is 40254091. The reversal of 40254072 is 27045204.
40254072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1677253 = 40254072 / (4 + 0 + 2 + 5 + 4 + 0 + 7 + 2).
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 3 ways as a sum of consecutive naturals, for example, 838603 + ... + 838650.
Almost surely, 240254072 is an apocalyptic number.
It is an amenable number.
40254072 is an abundant number, since it is smaller than the sum of its proper divisors (60381168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40254072 is a wasteful number, since it uses less digits than its factorization.
40254072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1677262 (or 1677258 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 24.
The square root of 40254072 is about 6344.6096806659. The cubic root of 40254072 is about 342.7177566348.
Adding to 40254072 its reverse (27045204), we get a palindrome (67299276).
The spelling of 40254072 in words is "forty million, two hundred fifty-four thousand, seventy-two".
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