Base | Representation |
---|---|
bin | 1010000110110… |
… | …0001010000001 |
3 | 2221202102201200 |
4 | 2201230022001 |
5 | 41322323144 |
6 | 4112251413 |
7 | 1023163326 |
oct | 241541201 |
9 | 87672650 |
10 | 42386049 |
11 | 21a202a2 |
12 | 12240b69 |
13 | 8a20904 |
14 | 58b4b4d |
15 | 3ac3c69 |
hex | 286c281 |
42386049 has 24 divisors (see below), whose sum is σ = 65075400. Its totient is φ = 26492928.
The previous prime is 42386041. The next prime is 42386059. The reversal of 42386049 is 94068324.
It is a happy number.
42386049 is a `hidden beast` number, since 42 + 3 + 8 + 604 + 9 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3448449 + 38937600 = 1857^2 + 6240^2 .
It is not a de Polignac number, because 42386049 - 23 = 42386041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42386041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68389 + ... + 69005.
It is an arithmetic number, because the mean of its divisors is an integer number (2711475).
Almost surely, 242386049 is an apocalyptic number.
It is an amenable number.
42386049 is a deficient number, since it is larger than the sum of its proper divisors (22689351).
42386049 is a wasteful number, since it uses less digits than its factorization.
42386049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089 (or 1086 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 42386049 is about 6510.4568964090. The cubic root of 42386049 is about 348.6644311591.
The spelling of 42386049 in words is "forty-two million, three hundred eighty-six thousand, forty-nine".
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