Base | Representation |
---|---|
bin | 1111011100010… |
… | …1100000010000 |
3 | 11111212202122010 |
4 | 3313011200100 |
5 | 113040201422 |
6 | 10232142520 |
7 | 1414360656 |
oct | 367054020 |
9 | 144782563 |
10 | 64772112 |
11 | 33620279 |
12 | 19837a40 |
13 | 1055b0c2 |
14 | 8860dd6 |
15 | 5a46b0c |
hex | 3dc5810 |
64772112 has 40 divisors (see below), whose sum is σ = 168193600. Its totient is φ = 21479040.
The previous prime is 64772047. The next prime is 64772131. The reversal of 64772112 is 21127746.
It is a self number, because there is not a number n which added to its sum of digits gives 64772112.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6162 + ... + 12942.
It is an arithmetic number, because the mean of its divisors is an integer number (4204840).
Almost surely, 264772112 is an apocalyptic number.
It is an amenable number.
64772112 is an abundant number, since it is smaller than the sum of its proper divisors (103421488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64772112 is a wasteful number, since it uses less digits than its factorization.
64772112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6991 (or 6985 counting only the distinct ones).
The product of its digits is 4704, while the sum is 30.
The square root of 64772112 is about 8048.1123252599. The cubic root of 64772112 is about 401.6021409599.
Adding to 64772112 its reverse (21127746), we get a palindrome (85899858).
The spelling of 64772112 in words is "sixty-four million, seven hundred seventy-two thousand, one hundred twelve".
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