Base | Representation |
---|---|
bin | 1111100000001… |
… | …1111101100010 |
3 | 11112100202120011 |
4 | 3320003331202 |
5 | 113121343223 |
6 | 10241435134 |
7 | 1416504553 |
oct | 370037542 |
9 | 145322504 |
10 | 65027938 |
11 | 337854a8 |
12 | 1993baaa |
13 | 1061a691 |
14 | 88ca32a |
15 | 5a9780d |
hex | 3e03f62 |
65027938 has 4 divisors (see below), whose sum is σ = 97541910. Its totient is φ = 32513968.
The previous prime is 65027933. The next prime is 65027959. The reversal of 65027938 is 83972056.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 45198729 + 19829209 = 6723^2 + 4453^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 65027938.
It is not an unprimeable number, because it can be changed into a prime (65027933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256983 + ... + 16256986.
Almost surely, 265027938 is an apocalyptic number.
65027938 is a deficient number, since it is larger than the sum of its proper divisors (32513972).
65027938 is a wasteful number, since it uses less digits than its factorization.
65027938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32513971.
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 65027938 is about 8063.9902033671. The cubic root of 65027938 is about 402.1301732672.
The spelling of 65027938 in words is "sixty-five million, twenty-seven thousand, nine hundred thirty-eight".
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