Base | Representation |
---|---|
bin | 1111011110000… |
… | …1000110100000 |
3 | 11112002111200210 |
4 | 3313201012200 |
5 | 113102311102 |
6 | 10234414120 |
7 | 1415341353 |
oct | 367410640 |
9 | 145074623 |
10 | 64885152 |
11 | 336981a2 |
12 | 19891340 |
13 | 1059a6a7 |
14 | 889029a |
15 | 5a6a36c |
hex | 3de11a0 |
64885152 has 48 divisors (see below), whose sum is σ = 179292960. Its totient is φ = 20489472.
The previous prime is 64885129. The next prime is 64885157. The reversal of 64885152 is 25158846.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 64885152.
It is not an unprimeable number, because it can be changed into a prime (64885157) 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, 15963 + ... + 19610.
It is an arithmetic number, because the mean of its divisors is an integer number (3735270).
Almost surely, 264885152 is an apocalyptic number.
It is an amenable number.
64885152 is an abundant number, since it is smaller than the sum of its proper divisors (114407808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64885152 is a wasteful number, since it uses less digits than its factorization.
64885152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35605 (or 35597 counting only the distinct ones).
The product of its digits is 76800, while the sum is 39.
The square root of 64885152 is about 8055.1320287131. The cubic root of 64885152 is about 401.8356299376.
The spelling of 64885152 in words is "sixty-four million, eight hundred eighty-five thousand, one hundred fifty-two".
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