Base | Representation |
---|---|
bin | 1111010001010… |
… | …0110101100111 |
3 | 11110112000000012 |
4 | 3310110311213 |
5 | 112344022422 |
6 | 10204440435 |
7 | 1405255166 |
oct | 364246547 |
9 | 143460005 |
10 | 64048487 |
11 | 33176638 |
12 | 1954911b |
13 | 10366919 |
14 | 87133dd |
15 | 59524e2 |
hex | 3d14d67 |
64048487 has 4 divisors (see below), whose sum is σ = 67419480. Its totient is φ = 60677496.
The previous prime is 64048477. The next prime is 64048493. The reversal of 64048487 is 78484046.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78484046 = 2 ⋅39242023.
It is a cyclic number.
It is not a de Polignac number, because 64048487 - 210 = 64047463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64048427) 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, 1685468 + ... + 1685505.
It is an arithmetic number, because the mean of its divisors is an integer number (16854870).
Almost surely, 264048487 is an apocalyptic number.
64048487 is a deficient number, since it is larger than the sum of its proper divisors (3370993).
64048487 is a wasteful number, since it uses less digits than its factorization.
64048487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3370992.
The product of its (nonzero) digits is 172032, while the sum is 41.
The square root of 64048487 is about 8003.0298637454. The cubic root of 64048487 is about 400.1009890842.
The spelling of 64048487 in words is "sixty-four million, forty-eight thousand, four hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •