Base | Representation |
---|---|
bin | 1000001010001… |
… | …00001000010101 |
3 | 11202202221020020 |
4 | 10011010020111 |
5 | 120004432001 |
6 | 10442455353 |
7 | 1460462220 |
oct | 405041025 |
9 | 152687206 |
10 | 68436501 |
11 | 356a33a1 |
12 | 1ab04559 |
13 | 11241c93 |
14 | 91365b7 |
15 | 601c736 |
hex | 4144215 |
68436501 has 16 divisors (see below), whose sum is σ = 104400384. Its totient is φ = 39063024.
The previous prime is 68436481. The next prime is 68436517. The reversal of 68436501 is 10563486.
It is not a de Polignac number, because 68436501 - 25 = 68436469 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68436301) 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, 33166 + ... + 35168.
It is an arithmetic number, because the mean of its divisors is an integer number (6525024).
Almost surely, 268436501 is an apocalyptic number.
It is an amenable number.
68436501 is a deficient number, since it is larger than the sum of its proper divisors (35963883).
68436501 is a wasteful number, since it uses less digits than its factorization.
68436501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3640.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 68436501 is about 8272.6356743181. The cubic root of 68436501 is about 409.0370042420.
Adding to 68436501 its reverse (10563486), we get a palindrome (78999987).
The spelling of 68436501 in words is "sixty-eight million, four hundred thirty-six thousand, five hundred one".
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