Base | Representation |
---|---|
bin | 1001010011110… |
… | …01101100000101 |
3 | 12102221112112121 |
4 | 10221321230011 |
5 | 124442434221 |
6 | 11425445541 |
7 | 1635531364 |
oct | 451715405 |
9 | 172845477 |
10 | 78093061 |
11 | 40099522 |
12 | 221a08b1 |
13 | 13243417 |
14 | a52b7db |
15 | 6cc8a41 |
hex | 4a79b05 |
78093061 has 4 divisors (see below), whose sum is σ = 80612224. Its totient is φ = 75573900.
The previous prime is 78093023. The next prime is 78093077. The reversal of 78093061 is 16039087.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 78093061 - 225 = 44538629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78093761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259535 + ... + 1259596.
It is an arithmetic number, because the mean of its divisors is an integer number (20153056).
Almost surely, 278093061 is an apocalyptic number.
It is an amenable number.
78093061 is a deficient number, since it is larger than the sum of its proper divisors (2519163).
78093061 is a wasteful number, since it uses less digits than its factorization.
78093061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2519162.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 78093061 is about 8837.0278374576. The cubic root of 78093061 is about 427.4357228121.
The spelling of 78093061 in words is "seventy-eight million, ninety-three thousand, sixty-one".
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