Base | Representation |
---|---|
bin | 1010001000011… |
… | …0011111111110 |
3 | 2221221220202000 |
4 | 2202012133332 |
5 | 41334301300 |
6 | 4114443130 |
7 | 1024123032 |
oct | 242063776 |
9 | 87856660 |
10 | 42493950 |
11 | 21a94374 |
12 | 122934a6 |
13 | 8a5aa65 |
14 | 59021c2 |
15 | 3ae5c00 |
hex | 28867fe |
42493950 has 48 divisors (see below), whose sum is σ = 117098160. Its totient is φ = 11331360.
The previous prime is 42493921. The next prime is 42493951. The reversal of 42493950 is 5939424.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42493951) 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, 14389 + ... + 17088.
It is an arithmetic number, because the mean of its divisors is an integer number (2439545).
Almost surely, 242493950 is an apocalyptic number.
42493950 is an abundant number, since it is smaller than the sum of its proper divisors (74604210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42493950 is a wasteful number, since it uses less digits than its factorization.
42493950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31498 (or 31487 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 42493950 is about 6518.7383748698. The cubic root of 42493950 is about 348.9600422777.
The spelling of 42493950 in words is "forty-two million, four hundred ninety-three thousand, nine hundred fifty".
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