Base | Representation |
---|---|
bin | 1110100001010… |
… | …1100100000000 |
3 | 11020121022221201 |
4 | 3220111210000 |
5 | 111042440403 |
6 | 10013230544 |
7 | 1336455502 |
oct | 350254400 |
9 | 136538851 |
10 | 60905728 |
11 | 3141a414 |
12 | 18492454 |
13 | c8062c0 |
14 | 8135d72 |
15 | 553121d |
hex | 3a15900 |
60905728 has 36 divisors (see below), whose sum is σ = 130932508. Its totient is φ = 28108800.
The previous prime is 60905723. The next prime is 60905729. The reversal of 60905728 is 82750906.
It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 57032704 = 1968^2 + 7552^2 .
It is not an unprimeable number, because it can be changed into a prime (60905723) 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, 5823 + ... + 12478.
Almost surely, 260905728 is an apocalyptic number.
It is an amenable number.
60905728 is an abundant number, since it is smaller than the sum of its proper divisors (70026780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60905728 is a wasteful number, since it uses less digits than its factorization.
60905728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18330 (or 18316 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 60905728 is about 7804.2121959875. The cubic root of 60905728 is about 393.4468260705.
The spelling of 60905728 in words is "sixty million, nine hundred five thousand, seven hundred twenty-eight".
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