Base | Representation |
---|---|
bin | 1111100010000… |
… | …1110110110001 |
3 | 11112120222112020 |
4 | 3320201312301 |
5 | 113134303020 |
6 | 10244222053 |
7 | 1420524546 |
oct | 370416661 |
9 | 145528466 |
10 | 65150385 |
11 | 338594a3 |
12 | 1999a929 |
13 | 10661331 |
14 | 891cbcd |
15 | 5abdc40 |
hex | 3e21db1 |
65150385 has 16 divisors (see below), whose sum is σ = 107835840. Its totient is φ = 33548480.
The previous prime is 65150363. The next prime is 65150387. The reversal of 65150385 is 58305156.
It is not a de Polignac number, because 65150385 - 26 = 65150321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (65150387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74451 + ... + 75320.
It is an arithmetic number, because the mean of its divisors is an integer number (6739740).
Almost surely, 265150385 is an apocalyptic number.
It is an amenable number.
65150385 is a deficient number, since it is larger than the sum of its proper divisors (42685455).
65150385 is a wasteful number, since it uses less digits than its factorization.
65150385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149808.
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 65150385 is about 8071.5788418376. The cubic root of 65150385 is about 402.3824174626.
The spelling of 65150385 in words is "sixty-five million, one hundred fifty thousand, three hundred eighty-five".
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