Base | Representation |
---|---|
bin | 10001000010110… |
… | …100001111011110 |
3 | 201221001210221122 |
4 | 101002310033132 |
5 | 1041200412232 |
6 | 44212530542 |
7 | 10041354134 |
oct | 2102641736 |
9 | 657053848 |
10 | 285950942 |
11 | 1374591a2 |
12 | 7b920a52 |
13 | 4731c254 |
14 | 29d97754 |
15 | 1a186312 |
hex | 110b43de |
285950942 has 4 divisors (see below), whose sum is σ = 428926416. Its totient is φ = 142975470.
The previous prime is 285950909. The next prime is 285950947. The reversal of 285950942 is 249059582.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 285950893 and 285950902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285950947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71487734 + ... + 71487737.
It is an arithmetic number, because the mean of its divisors is an integer number (107231604).
Almost surely, 2285950942 is an apocalyptic number.
285950942 is a deficient number, since it is larger than the sum of its proper divisors (142975474).
285950942 is a wasteful number, since it uses less digits than its factorization.
285950942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142975473.
The product of its (nonzero) digits is 259200, while the sum is 44.
The square root of 285950942 is about 16910.0840329077. The cubic root of 285950942 is about 658.8155539448.
The spelling of 285950942 in words is "two hundred eighty-five million, nine hundred fifty thousand, nine hundred forty-two".
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