Base | Representation |
---|---|
bin | 1010001001000… |
… | …1000001000001 |
3 | 2222001002211101 |
4 | 2202101001001 |
5 | 41342141100 |
6 | 4115414401 |
7 | 1024362436 |
oct | 242210101 |
9 | 88032741 |
10 | 42537025 |
11 | 22013773 |
12 | 122b4401 |
13 | 8a7454b |
14 | 5913b8d |
15 | 3b0386a |
hex | 2891041 |
42537025 has 12 divisors (see below), whose sum is σ = 52925184. Its totient is φ = 33914000.
The previous prime is 42536987. The next prime is 42537041. The reversal of 42537025 is 52073524.
It is not a de Polignac number, because 42537025 - 213 = 42528833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42536984 and 42537002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5040 + ... + 10510.
It is an arithmetic number, because the mean of its divisors is an integer number (4410432).
Almost surely, 242537025 is an apocalyptic number.
It is an amenable number.
42537025 is a deficient number, since it is larger than the sum of its proper divisors (10388159).
42537025 is a wasteful number, since it uses less digits than its factorization.
42537025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5792 (or 5787 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 28.
The square root of 42537025 is about 6522.0414748758. The cubic root of 42537025 is about 349.0779129996.
The spelling of 42537025 in words is "forty-two million, five hundred thirty-seven thousand, twenty-five".
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