Base | Representation |
---|---|
bin | 1111100110010… |
… | …1000000010110 |
3 | 11120002221211002 |
4 | 3321211000112 |
5 | 113222103210 |
6 | 10254143302 |
7 | 1423051460 |
oct | 371450026 |
9 | 146087732 |
10 | 65425430 |
11 | 33a27104 |
12 | 19ab1b32 |
13 | 10729595 |
14 | 8991130 |
15 | 5b254a5 |
hex | 3e65016 |
65425430 has 32 divisors (see below), whose sum is σ = 136304640. Its totient is φ = 22145760.
The previous prime is 65425427. The next prime is 65425441. The reversal of 65425430 is 3452456.
It is a junction number, because it is equal to n+sod(n) for n = 65425393 and 65425402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386 + ... + 11445.
It is an arithmetic number, because the mean of its divisors is an integer number (4259520).
Almost surely, 265425430 is an apocalyptic number.
65425430 is an abundant number, since it is smaller than the sum of its proper divisors (70879210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65425430 is a wasteful number, since it uses less digits than its factorization.
65425430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11924.
The product of its (nonzero) digits is 14400, while the sum is 29.
The square root of 65425430 is about 8088.5987661646. The cubic root of 65425430 is about 402.9478676558.
Adding to 65425430 its reverse (3452456), we get a palindrome (68877886).
The spelling of 65425430 in words is "sixty-five million, four hundred twenty-five thousand, four hundred thirty".
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