Base | Representation |
---|---|
bin | 1001010110110… |
… | …01001000111110 |
3 | 12110200101211221 |
4 | 10223121020332 |
5 | 130042442110 |
6 | 11442103554 |
7 | 1642050262 |
oct | 453311076 |
9 | 173611757 |
10 | 78484030 |
11 | 40336239 |
12 | 2234abba |
13 | 1334c371 |
14 | a5d00a2 |
15 | 6d547da |
hex | 4ad923e |
78484030 has 32 divisors (see below), whose sum is σ = 148493664. Its totient is φ = 29828736.
The previous prime is 78484009. The next prime is 78484061. The reversal of 78484030 is 3048487.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13444 + ... + 18376.
It is an arithmetic number, because the mean of its divisors is an integer number (4640427).
Almost surely, 278484030 is an apocalyptic number.
78484030 is a deficient number, since it is larger than the sum of its proper divisors (70009634).
78484030 is a wasteful number, since it uses less digits than its factorization.
78484030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5020.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 78484030 is about 8859.1212882543. The cubic root of 78484030 is about 428.1478475739.
The spelling of 78484030 in words is "seventy-eight million, four hundred eighty-four thousand, thirty".
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