Base | Representation |
---|---|
bin | 1000001100011… |
… | …00101000110000 |
3 | 11210100000121202 |
4 | 10012030220300 |
5 | 120043432423 |
6 | 10453110332 |
7 | 1463140115 |
oct | 406145060 |
9 | 153300552 |
10 | 68733488 |
11 | 3588653a |
12 | 1b0283a8 |
13 | 11317205 |
14 | 91b290c |
15 | 607a728 |
hex | 418ca30 |
68733488 has 40 divisors (see below), whose sum is σ = 140824320. Its totient is φ = 32408640.
The previous prime is 68733487. The next prime is 68733503. The reversal of 68733488 is 88433786.
It is a super-2 number, since 2×687334882 = 9448584745292288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68733487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94181 + ... + 94907.
It is an arithmetic number, because the mean of its divisors is an integer number (3520608).
Almost surely, 268733488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68733488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70412160).
68733488 is an abundant number, since it is smaller than the sum of its proper divisors (72090832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68733488 is a wasteful number, since it uses less digits than its factorization.
68733488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065 (or 1059 counting only the distinct ones).
The product of its digits is 774144, while the sum is 47.
The square root of 68733488 is about 8290.5662050309. The cubic root of 68733488 is about 409.6278359887.
The spelling of 68733488 in words is "sixty-eight million, seven hundred thirty-three thousand, four hundred eighty-eight".
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