Base | Representation |
---|---|
bin | 1010001100010… |
… | …1000101010100 |
3 | 2222102221101011 |
4 | 2203011011110 |
5 | 41421002132 |
6 | 4124142004 |
7 | 1026241264 |
oct | 243050524 |
9 | 88387334 |
10 | 42750292 |
11 | 22149a22 |
12 | 12397904 |
13 | 8b1a640 |
14 | 596b7a4 |
15 | 3b46b47 |
hex | 28c5154 |
42750292 has 24 divisors (see below), whose sum is σ = 83349000. Its totient is φ = 19049856.
The previous prime is 42750269. The next prime is 42750293. The reversal of 42750292 is 29205724.
It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 42432196 = 564^2 + 6514^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42750293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12667 + ... + 15682.
It is an arithmetic number, because the mean of its divisors is an integer number (3472875).
Almost surely, 242750292 is an apocalyptic number.
It is an amenable number.
42750292 is a deficient number, since it is larger than the sum of its proper divisors (40598708).
42750292 is a wasteful number, since it uses less digits than its factorization.
42750292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28395 (or 28393 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 42750292 is about 6538.3707450710. The cubic root of 42750292 is about 349.6603289631.
The spelling of 42750292 in words is "forty-two million, seven hundred fifty thousand, two hundred ninety-two".
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