Base | Representation |
---|---|
bin | 1001010100010… |
… | …10011001001010 |
3 | 12110002000101201 |
4 | 10222022121022 |
5 | 130002131412 |
6 | 11431134414 |
7 | 1636235020 |
oct | 452123112 |
9 | 173060351 |
10 | 78161482 |
11 | 40135973 |
12 | 2221440a |
13 | 132685c9 |
14 | a548710 |
15 | 6cdde57 |
hex | 4a8a64a |
78161482 has 16 divisors (see below), whose sum is σ = 134213760. Its totient is φ = 33442128.
The previous prime is 78161477. The next prime is 78161513. The reversal of 78161482 is 28416187.
It is a super-2 number, since 2×781614822 = 12218434536872648, which contains 22 as substring.
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, 4744 + ... + 13372.
It is an arithmetic number, because the mean of its divisors is an integer number (8388360).
Almost surely, 278161482 is an apocalyptic number.
78161482 is a deficient number, since it is larger than the sum of its proper divisors (56052278).
78161482 is a wasteful number, since it uses less digits than its factorization.
78161482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9285.
The product of its digits is 21504, while the sum is 37.
The square root of 78161482 is about 8840.8982575302. The cubic root of 78161482 is about 427.5605185461.
The spelling of 78161482 in words is "seventy-eight million, one hundred sixty-one thousand, four hundred eighty-two".
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