Base | Representation |
---|---|
bin | 1010001100001… |
… | …1110100111110 |
3 | 2222102200022201 |
4 | 2203003310332 |
5 | 41420321100 |
6 | 4124102114 |
7 | 1026220300 |
oct | 243036476 |
9 | 88380281 |
10 | 42745150 |
11 | 22146078 |
12 | 1239493a |
13 | 8b181b6 |
14 | 5969970 |
15 | 3b4536a |
hex | 28c3d3e |
42745150 has 72 divisors (see below), whose sum is σ = 94145760. Its totient is φ = 14394240.
The previous prime is 42745111. The next prime is 42745151. The reversal of 42745150 is 5154724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42745151) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 178731 + ... + 178969.
It is an arithmetic number, because the mean of its divisors is an integer number (1307580).
Almost surely, 242745150 is an apocalyptic number.
42745150 is an abundant number, since it is smaller than the sum of its proper divisors (51400610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42745150 is a wasteful number, since it uses less digits than its factorization.
42745150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338 (or 326 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
The square root of 42745150 is about 6537.9775160213. The cubic root of 42745150 is about 349.6463093669.
Adding to 42745150 its reverse (5154724), we get a palindrome (47899874).
The spelling of 42745150 in words is "forty-two million, seven hundred forty-five thousand, one hundred fifty".
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