Base | Representation |
---|---|
bin | 1111100000101… |
… | …0001111010000 |
3 | 11112102001211101 |
4 | 3320022033100 |
5 | 113123204043 |
6 | 10242154144 |
7 | 1416642532 |
oct | 370121720 |
9 | 145361741 |
10 | 65053648 |
11 | 337a2850 |
12 | 19952954 |
13 | 106292aa |
14 | 88d5852 |
15 | 5aa024d |
hex | 3e0a3d0 |
65053648 has 40 divisors (see below), whose sum is σ = 138758976. Its totient is φ = 29299200.
The previous prime is 65053643. The next prime is 65053661. The reversal of 65053648 is 84635056.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65053643) 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, 18253 + ... + 21523.
Almost surely, 265053648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65053648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69379488).
65053648 is an abundant number, since it is smaller than the sum of its proper divisors (73705328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65053648 is a wasteful number, since it uses less digits than its factorization.
65053648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3403 (or 3397 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 37.
The square root of 65053648 is about 8065.5841697920. The cubic root of 65053648 is about 402.1831628223.
It can be divided in two parts, 6505 and 3648, that added together give a triangular number (10153 = T142).
The spelling of 65053648 in words is "sixty-five million, fifty-three thousand, six hundred forty-eight".
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