Base | Representation |
---|---|
bin | 1000001000100… |
… | …10111011001110 |
3 | 11202101200202200 |
4 | 10010102323032 |
5 | 114432004313 |
6 | 10434302330 |
7 | 1455662511 |
oct | 404227316 |
9 | 152350680 |
10 | 68234958 |
11 | 35575a30 |
12 | 1aa279a6 |
13 | 111a131c |
14 | 90c2d78 |
15 | 5eccb73 |
hex | 4112ece |
68234958 has 24 divisors (see below), whose sum is σ = 161283096. Its totient is φ = 20677200.
The previous prime is 68234953. The next prime is 68234963. The reversal of 68234958 is 85943286.
It is an interprime number because it is at equal distance from previous prime (68234953) and next prime (68234963).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68234953) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172113 + ... + 172508.
It is an arithmetic number, because the mean of its divisors is an integer number (6720129).
Almost surely, 268234958 is an apocalyptic number.
68234958 is an abundant number, since it is smaller than the sum of its proper divisors (93048138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68234958 is a wasteful number, since it uses less digits than its factorization.
68234958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344640 (or 344637 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 68234958 is about 8260.4453875079. The cubic root of 68234958 is about 408.6350764083.
It can be divided in two parts, 6823 and 4958, that added together give a triangular number (11781 = T153).
The spelling of 68234958 in words is "sixty-eight million, two hundred thirty-four thousand, nine hundred fifty-eight".
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