Base | Representation |
---|---|
bin | 1111100001101… |
… | …1101010110101 |
3 | 11112112200202201 |
4 | 3320123222311 |
5 | 113133000140 |
6 | 10243504501 |
7 | 1420360636 |
oct | 370335265 |
9 | 145480681 |
10 | 65125045 |
11 | 33841457 |
12 | 19988131 |
13 | 1065293b |
14 | 891388d |
15 | 5ab649a |
hex | 3e1bab5 |
65125045 has 8 divisors (see below), whose sum is σ = 82747224. Its totient is φ = 49035264.
The previous prime is 65125043. The next prime is 65125057. The reversal of 65125045 is 54052156.
It can be written as a sum of positive squares in 4 ways, for example, as 7273809 + 57851236 = 2697^2 + 7606^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 65125045 - 21 = 65125043 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65125043) 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, 383004 + ... + 383173.
It is an arithmetic number, because the mean of its divisors is an integer number (10343403).
Almost surely, 265125045 is an apocalyptic number.
It is an amenable number.
65125045 is a deficient number, since it is larger than the sum of its proper divisors (17622179).
65125045 is a wasteful number, since it uses less digits than its factorization.
65125045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766199.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 65125045 is about 8070.0089838860. The cubic root of 65125045 is about 402.3302423159.
The spelling of 65125045 in words is "sixty-five million, one hundred twenty-five thousand, forty-five".
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