Base | Representation |
---|---|
bin | 1001100010101… |
… | …1101001000111 |
3 | 2210022110111100 |
4 | 2120223221013 |
5 | 40221242042 |
6 | 3545511143 |
7 | 664126635 |
oct | 230535107 |
9 | 83273440 |
10 | 40024647 |
11 | 20658123 |
12 | 114a24b3 |
13 | 83a4b30 |
14 | 545c355 |
15 | 37a924c |
hex | 262ba47 |
40024647 has 24 divisors (see below), whose sum is σ = 65926224. Its totient is φ = 23180544.
The previous prime is 40024637. The next prime is 40024657. The reversal of 40024647 is 74642004.
40024647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (40024637) and next prime (40024657).
It is not a de Polignac number, because 40024647 - 24 = 40024631 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 40024647.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40024637) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 8073 + ... + 12050.
It is an arithmetic number, because the mean of its divisors is an integer number (2746926).
Almost surely, 240024647 is an apocalyptic number.
40024647 is a deficient number, since it is larger than the sum of its proper divisors (25901577).
40024647 is a wasteful number, since it uses less digits than its factorization.
40024647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20159 (or 20156 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
The square root of 40024647 is about 6326.5035367097. The cubic root of 40024647 is about 342.0654178749.
It can be divided in two parts, 4002 and 4647, that added together give a square (8649 = 932).
The spelling of 40024647 in words is "forty million, twenty-four thousand, six hundred forty-seven".
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