Base | Representation |
---|---|
bin | 1000001001110… |
… | …10010011010100 |
3 | 11202200220000020 |
4 | 10010322103110 |
5 | 120002134434 |
6 | 10441545140 |
7 | 1460233650 |
oct | 404722324 |
9 | 152626006 |
10 | 68396244 |
11 | 35676124 |
12 | 1aaa51b0 |
13 | 11229867 |
14 | 9125a60 |
15 | 6010849 |
hex | 413a4d4 |
68396244 has 24 divisors (see below), whose sum is σ = 182390208. Its totient is φ = 19541760.
The previous prime is 68396203. The next prime is 68396249. The reversal of 68396244 is 44269386.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 68396196 and 68396205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68396249) by changing a digit.
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, 407037 + ... + 407204.
It is an arithmetic number, because the mean of its divisors is an integer number (7599592).
Almost surely, 268396244 is an apocalyptic number.
It is an amenable number.
68396244 is an abundant number, since it is smaller than the sum of its proper divisors (113993964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68396244 is a wasteful number, since it uses less digits than its factorization.
68396244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 814255 (or 814253 counting only the distinct ones).
The product of its digits is 248832, while the sum is 42.
The square root of 68396244 is about 8270.2021740705. The cubic root of 68396244 is about 408.9567847087.
The spelling of 68396244 in words is "sixty-eight million, three hundred ninety-six thousand, two hundred forty-four".
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