Base | Representation |
---|---|
bin | 1111010110110… |
… | …0001001011011 |
3 | 11111012011120101 |
4 | 3311230021123 |
5 | 112441443412 |
6 | 10220240231 |
7 | 1411304623 |
oct | 365541133 |
9 | 144164511 |
10 | 64406107 |
11 | 333a0297 |
12 | 196a0077 |
13 | 1046062c |
14 | 87a7883 |
15 | 59c3457 |
hex | 3d6c25b |
64406107 has 4 divisors (see below), whose sum is σ = 64467760. Its totient is φ = 64344456.
The previous prime is 64406099. The next prime is 64406113. The reversal of 64406107 is 70160446.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64406107 - 23 = 64406099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64406117) 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, 29232 + ... + 31357.
It is an arithmetic number, because the mean of its divisors is an integer number (16116940).
Almost surely, 264406107 is an apocalyptic number.
64406107 is a deficient number, since it is larger than the sum of its proper divisors (61653).
64406107 is a wasteful number, since it uses less digits than its factorization.
64406107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61652.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 64406107 is about 8025.3415503641. The cubic root of 64406107 is about 400.8442730040.
The spelling of 64406107 in words is "sixty-four million, four hundred six thousand, one hundred seven".
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