Base | Representation |
---|---|
bin | 1111010111010… |
… | …1011011000101 |
3 | 11111021002200120 |
4 | 3311311123011 |
5 | 112444202401 |
6 | 10221132153 |
7 | 1411523451 |
oct | 365653305 |
9 | 144232616 |
10 | 64444101 |
11 | 33416897 |
12 | 196ba059 |
13 | 10474a07 |
14 | 87b7661 |
15 | 59ce836 |
hex | 3d756c5 |
64444101 has 8 divisors (see below), whose sum is σ = 86311680. Its totient is φ = 42769632.
The previous prime is 64444069. The next prime is 64444103. The reversal of 64444101 is 10144446.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64444101 - 25 = 64444069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64444103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47496 + ... + 48833.
It is an arithmetic number, because the mean of its divisors is an integer number (10788960).
Almost surely, 264444101 is an apocalyptic number.
It is an amenable number.
64444101 is a deficient number, since it is larger than the sum of its proper divisors (21867579).
64444101 is a wasteful number, since it uses less digits than its factorization.
64444101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96555.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 64444101 is about 8027.7083280348. The cubic root of 64444101 is about 400.9230785928.
Adding to 64444101 its reverse (10144446), we get a palindrome (74588547).
The spelling of 64444101 in words is "sixty-four million, four hundred forty-four thousand, one hundred one".
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