Base | Representation |
---|---|
bin | 1010000111110… |
… | …0011111000001 |
3 | 2221212211110201 |
4 | 2201330133001 |
5 | 41331443204 |
6 | 4113525201 |
7 | 1023562321 |
oct | 241743701 |
9 | 87784421 |
10 | 42452929 |
11 | 21a66572 |
12 | 12273801 |
13 | 8a4519c |
14 | 58d1281 |
15 | 3ad89a4 |
hex | 287c7c1 |
42452929 has 2 divisors, whose sum is σ = 42452930. Its totient is φ = 42452928.
The previous prime is 42452899. The next prime is 42452951. The reversal of 42452929 is 92925424.
42452929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27615025 + 14837904 = 5255^2 + 3852^2 .
It is a cyclic number.
It is not a de Polignac number, because 42452929 - 213 = 42444737 is a prime.
It is not a weakly prime, because it can be changed into another prime (42452029) 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 as a sum of consecutive naturals, namely, 21226464 + 21226465.
It is an arithmetic number, because the mean of its divisors is an integer number (21226465).
Almost surely, 242452929 is an apocalyptic number.
It is an amenable number.
42452929 is a deficient number, since it is larger than the sum of its proper divisors (1).
42452929 is an equidigital number, since it uses as much as digits as its factorization.
42452929 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 51840, while the sum is 37.
The square root of 42452929 is about 6515.5912241331. The cubic root of 42452929 is about 348.8477180642.
The spelling of 42452929 in words is "forty-two million, four hundred fifty-two thousand, nine hundred twenty-nine".
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