Base | Representation |
---|---|
bin | 1001010110100… |
… | …01010101110011 |
3 | 12110121210000201 |
4 | 10223101111303 |
5 | 130040431313 |
6 | 11441300031 |
7 | 1641555163 |
oct | 453212563 |
9 | 173553021 |
10 | 78452083 |
11 | 40314236 |
12 | 22334617 |
13 | 1333a968 |
14 | a5c25a3 |
15 | 6d4a0dd |
hex | 4ad1573 |
78452083 has 4 divisors (see below), whose sum is σ = 82581160. Its totient is φ = 74323008.
The previous prime is 78452027. The next prime is 78452119. The reversal of 78452083 is 38025487.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 78452083 - 225 = 44897651 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78452483) 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, 2064510 + ... + 2064547.
It is an arithmetic number, because the mean of its divisors is an integer number (20645290).
Almost surely, 278452083 is an apocalyptic number.
78452083 is a deficient number, since it is larger than the sum of its proper divisors (4129077).
78452083 is a wasteful number, since it uses less digits than its factorization.
78452083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4129076.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 78452083 is about 8857.3180478066. The cubic root of 78452083 is about 428.0897470253.
The spelling of 78452083 in words is "seventy-eight million, four hundred fifty-two thousand, eighty-three".
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