Base | Representation |
---|---|
bin | 1000001100110… |
… | …11101100001000 |
3 | 11210110011012022 |
4 | 10012123230020 |
5 | 120102421034 |
6 | 10454304012 |
7 | 1463514635 |
oct | 406335410 |
9 | 153404168 |
10 | 68795144 |
11 | 359188a0 |
12 | 1b058008 |
13 | 113392b2 |
14 | 91cb18c |
15 | 608db2e |
hex | 419bb08 |
68795144 has 32 divisors (see below), whose sum is σ = 141488640. Its totient is φ = 31099200.
The previous prime is 68795123. The next prime is 68795197. The reversal of 68795144 is 44159786.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 68795095 and 68795104.
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, 14762 + ... + 18854.
It is an arithmetic number, because the mean of its divisors is an integer number (4421520).
Almost surely, 268795144 is an apocalyptic number.
It is an amenable number.
68795144 is an abundant number, since it is smaller than the sum of its proper divisors (72693496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68795144 is a wasteful number, since it uses less digits than its factorization.
68795144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4301 (or 4297 counting only the distinct ones).
The product of its digits is 241920, while the sum is 44.
The square root of 68795144 is about 8294.2838147727. The cubic root of 68795144 is about 409.7502822011.
The spelling of 68795144 in words is "sixty-eight million, seven hundred ninety-five thousand, one hundred forty-four".
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