Base | Representation |
---|---|
bin | 1000001100111… |
… | …00111111110101 |
3 | 11210110102112201 |
4 | 10012130333311 |
5 | 120103104001 |
6 | 10454344501 |
7 | 1463536360 |
oct | 406347765 |
9 | 153412481 |
10 | 68800501 |
11 | 35921920 |
12 | 1b05b131 |
13 | 1133b873 |
14 | 91cd0d7 |
15 | 6090501 |
hex | 419cff5 |
68800501 has 64 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 46656000.
The previous prime is 68800489. The next prime is 68800553. The reversal of 68800501 is 10500886.
It is a happy number.
It is a 5-Lehmer number, since φ(68800501) divides (68800501-1)5.
It is a cyclic number.
It is not a de Polignac number, because 68800501 - 27 = 68800373 is a prime.
It is a deceptive number, since it divides R68800500.
It is a self number, because there is not a number n which added to its sum of digits gives 68800501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68800561) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1678041 + ... + 1678081.
It is an arithmetic number, because the mean of its divisors is an integer number (1532160).
It is a Poulet number, since it divides 268800500-1.
Almost surely, 268800501 is an apocalyptic number.
It is an amenable number.
68800501 is a deficient number, since it is larger than the sum of its proper divisors (29257739).
68800501 is a wasteful number, since it uses less digits than its factorization.
68800501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 68800501 is about 8294.6067417328. The cubic root of 68800501 is about 409.7609175220.
The spelling of 68800501 in words is "sixty-eight million, eight hundred thousand, five hundred one".
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