Base | Representation |
---|---|
bin | 1111110010111… |
… | …0010100111001 |
3 | 11121122211222020 |
4 | 3330232110321 |
5 | 113430000131 |
6 | 10323545053 |
7 | 1433054544 |
oct | 374562471 |
9 | 147584866 |
10 | 66250041 |
11 | 3443a700 |
12 | 1a22b189 |
13 | 10957a10 |
14 | 8b2785b |
15 | 5c39996 |
hex | 3f2e539 |
66250041 has 48 divisors (see below), whose sum is σ = 106357440. Its totient is φ = 36432000.
The previous prime is 66250027. The next prime is 66250073. The reversal of 66250041 is 14005266.
It is not a de Polignac number, because 66250041 - 26 = 66249977 is a prime.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 66249993 and 66250020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66250081) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476550 + ... + 476688.
It is an arithmetic number, because the mean of its divisors is an integer number (2215780).
Almost surely, 266250041 is an apocalyptic number.
It is an amenable number.
66250041 is a deficient number, since it is larger than the sum of its proper divisors (40107399).
66250041 is a wasteful number, since it uses less digits than its factorization.
66250041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278 (or 267 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 66250041 is about 8139.4128166594. The cubic root of 66250041 is about 404.6337001999.
The spelling of 66250041 in words is "sixty-six million, two hundred fifty thousand, forty-one".
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