Base | Representation |
---|---|
bin | 1000001010101… |
… | …00101001111000 |
3 | 11202220101002000 |
4 | 10011110221320 |
5 | 120014113214 |
6 | 10444141000 |
7 | 1461163440 |
oct | 405245170 |
9 | 152811060 |
10 | 68504184 |
11 | 3573a231 |
12 | 1ab37760 |
13 | 11266a28 |
14 | 9153120 |
15 | 6032809 |
hex | 4154a78 |
68504184 has 64 divisors (see below), whose sum is σ = 217478400. Its totient is φ = 19572192.
The previous prime is 68504179. The next prime is 68504197. The reversal of 68504184 is 48140586.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 21142 + ... + 24165.
It is an arithmetic number, because the mean of its divisors is an integer number (3398100).
Almost surely, 268504184 is an apocalyptic number.
It is an amenable number.
68504184 is an abundant number, since it is smaller than the sum of its proper divisors (148974216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68504184 is a wasteful number, since it uses less digits than its factorization.
68504184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45329 (or 45319 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 68504184 is about 8276.7254394477. The cubic root of 68504184 is about 409.1718042853.
The spelling of 68504184 in words is "sixty-eight million, five hundred four thousand, one hundred eighty-four".
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