Base | Representation |
---|---|
bin | 1001010100000… |
… | …01101100001011 |
3 | 12110000012111110 |
4 | 10222001230023 |
5 | 130000011320 |
6 | 11430301403 |
7 | 1636026054 |
oct | 452015413 |
9 | 173005443 |
10 | 78125835 |
11 | 40111107 |
12 | 221b7863 |
13 | 13255308 |
14 | a53972b |
15 | 6cd35e0 |
hex | 4a81b0b |
78125835 has 8 divisors (see below), whose sum is σ = 125001360. Its totient is φ = 41667104.
The previous prime is 78125807. The next prime is 78125843. The reversal of 78125835 is 53852187.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78125835 - 26 = 78125771 is a prime.
It is a super-2 number, since 2×781258352 = 12207292188894450, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 78125793 and 78125802.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604180 + ... + 2604209.
It is an arithmetic number, because the mean of its divisors is an integer number (15625170).
Almost surely, 278125835 is an apocalyptic number.
78125835 is a deficient number, since it is larger than the sum of its proper divisors (46875525).
78125835 is a wasteful number, since it uses less digits than its factorization.
78125835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5208397.
The product of its digits is 67200, while the sum is 39.
The square root of 78125835 is about 8838.8819994386. The cubic root of 78125835 is about 427.4955096823.
The spelling of 78125835 in words is "seventy-eight million, one hundred twenty-five thousand, eight hundred thirty-five".
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