Base | Representation |
---|---|
bin | 1111100001101… |
… | …0100111110000 |
3 | 11112112110212201 |
4 | 3320122213300 |
5 | 113132331002 |
6 | 10243432544 |
7 | 1420342264 |
oct | 370324760 |
9 | 145473781 |
10 | 65120752 |
11 | 33839204 |
12 | 19985754 |
13 | 106509b8 |
14 | 89120a4 |
15 | 5ab5087 |
hex | 3e1a9f0 |
65120752 has 20 divisors (see below), whose sum is σ = 132812680. Its totient is φ = 30846528.
The previous prime is 65120743. The next prime is 65120753. The reversal of 65120752 is 25702156.
It is a self number, because there is not a number n which added to its sum of digits gives 65120752.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65120753) 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, 106803 + ... + 107410.
It is an arithmetic number, because the mean of its divisors is an integer number (6640634).
Almost surely, 265120752 is an apocalyptic number.
It is an amenable number.
65120752 is an abundant number, since it is smaller than the sum of its proper divisors (67691928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65120752 is a wasteful number, since it uses less digits than its factorization.
65120752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214240 (or 214234 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 65120752 is about 8069.7429946684. The cubic root of 65120752 is about 402.3214016736.
The spelling of 65120752 in words is "sixty-five million, one hundred twenty thousand, seven hundred fifty-two".
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