Base | Representation |
---|---|
bin | 1111100000111… |
… | …0001001001010 |
3 | 11112102212202202 |
4 | 3320032021022 |
5 | 113124212032 |
6 | 10242400202 |
7 | 1420040261 |
oct | 370161112 |
9 | 145385682 |
10 | 65069642 |
11 | 33803870 |
12 | 19960062 |
13 | 10633661 |
14 | 88db5d8 |
15 | 5aa4d62 |
hex | 3e0e24a |
65069642 has 32 divisors (see below), whose sum is σ = 118687680. Its totient is φ = 26369280.
The previous prime is 65069629. The next prime is 65069647. The reversal of 65069642 is 24696056.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 65069596 and 65069605.
It is not an unprimeable number, because it can be changed into a prime (65069647) 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, 2528 + ... + 11684.
It is an arithmetic number, because the mean of its divisors is an integer number (3708990).
Almost surely, 265069642 is an apocalyptic number.
65069642 is a deficient number, since it is larger than the sum of its proper divisors (53618038).
65069642 is a wasteful number, since it uses less digits than its factorization.
65069642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9206.
The product of its (nonzero) digits is 77760, while the sum is 38.
The square root of 65069642 is about 8066.5756055466. The cubic root of 65069642 is about 402.2161201871.
The spelling of 65069642 in words is "sixty-five million, sixty-nine thousand, six hundred forty-two".
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