Base | Representation |
---|---|
bin | 1111010100010… |
… | …1100011000001 |
3 | 11110220010200121 |
4 | 3311011203001 |
5 | 112421414001 |
6 | 10213020241 |
7 | 1410045646 |
oct | 365054301 |
9 | 143803617 |
10 | 64248001 |
11 | 332a2524 |
12 | 19624681 |
13 | 1040668c |
14 | 8765dcd |
15 | 59916a1 |
hex | 3d458c1 |
64248001 has 4 divisors (see below), whose sum is σ = 64871872. Its totient is φ = 63624132.
The previous prime is 64247983. The next prime is 64248053. The reversal of 64248001 is 10084246.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 64248001 - 29 = 64247489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64248061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311781 + ... + 311986.
It is an arithmetic number, because the mean of its divisors is an integer number (16217968).
Almost surely, 264248001 is an apocalyptic number.
It is an amenable number.
64248001 is a deficient number, since it is larger than the sum of its proper divisors (623871).
64248001 is a wasteful number, since it uses less digits than its factorization.
64248001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 623870.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 64248001 is about 8015.4850757768. The cubic root of 64248001 is about 400.5160028165.
The spelling of 64248001 in words is "sixty-four million, two hundred forty-eight thousand, one".
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