Base | Representation |
---|---|
bin | 1000000111001… |
… | …00001011011110 |
3 | 11202000222010010 |
4 | 10003210023132 |
5 | 114404342421 |
6 | 10430224050 |
7 | 1454234340 |
oct | 403441336 |
9 | 152028103 |
10 | 68043486 |
11 | 35455095 |
12 | 1a955026 |
13 | 11135124 |
14 | 9073290 |
15 | 5e91076 |
hex | 40e42de |
68043486 has 64 divisors (see below), whose sum is σ = 165998592. Its totient is φ = 18150912.
The previous prime is 68043433. The next prime is 68043509. The reversal of 68043486 is 68434086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111795 + ... + 112401.
It is an arithmetic number, because the mean of its divisors is an integer number (2593728).
Almost surely, 268043486 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68043486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82999296).
68043486 is an abundant number, since it is smaller than the sum of its proper divisors (97955106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68043486 is a wasteful number, since it uses less digits than its factorization.
68043486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 793.
The product of its (nonzero) digits is 110592, while the sum is 39.
The square root of 68043486 is about 8248.8475558711. The cubic root of 68043486 is about 408.2524989325.
The spelling of 68043486 in words is "sixty-eight million, forty-three thousand, four hundred eighty-six".
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