Base | Representation |
---|---|
bin | 1010001011110… |
… | …0000110001111 |
3 | 2222101001220000 |
4 | 2202330012033 |
5 | 41413312422 |
6 | 4123255343 |
7 | 1026026055 |
oct | 242740617 |
9 | 88331800 |
10 | 42713487 |
11 | 22124303 |
12 | 1237a553 |
13 | 8b0696b |
14 | 595c1d5 |
15 | 3b3acac |
hex | 28bc18f |
42713487 has 10 divisors (see below), whose sum is σ = 63806688. Its totient is φ = 28475604.
The previous prime is 42713479. The next prime is 42713497. The reversal of 42713487 is 78431724.
It is a happy number.
42713487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42713487 - 23 = 42713479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42713417) 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 9 ways as a sum of consecutive naturals, for example, 263583 + ... + 263744.
Almost surely, 242713487 is an apocalyptic number.
42713487 is a deficient number, since it is larger than the sum of its proper divisors (21093201).
42713487 is an equidigital number, since it uses as much as digits as its factorization.
42713487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 527339 (or 527330 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 42713487 is about 6535.5555999471. Note that the first 4 decimals coincide. The cubic root of 42713487 is about 349.5599558215.
The spelling of 42713487 in words is "forty-two million, seven hundred thirteen thousand, four hundred eighty-seven".
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