Base | Representation |
---|---|
bin | 1000001010000… |
… | …10100010000110 |
3 | 11202202121020220 |
4 | 10011002202012 |
5 | 120004224313 |
6 | 10442405210 |
7 | 1460434152 |
oct | 405024206 |
9 | 152677226 |
10 | 68429958 |
11 | 35699493 |
12 | 1ab00806 |
13 | 1123bccc |
14 | 9134062 |
15 | 601a823 |
hex | 4142886 |
68429958 has 32 divisors (see below), whose sum is σ = 143093760. Its totient is φ = 21790080.
The previous prime is 68429957. The next prime is 68429969. The reversal of 68429958 is 85992486.
It is a plaindrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 68429958.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68429953) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12366 + ... + 17022.
It is an arithmetic number, because the mean of its divisors is an integer number (4471680).
Almost surely, 268429958 is an apocalyptic number.
68429958 is an abundant number, since it is smaller than the sum of its proper divisors (74663802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68429958 is a wasteful number, since it uses less digits than its factorization.
68429958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4772.
The product of its digits is 1244160, while the sum is 51.
The square root of 68429958 is about 8272.2402044428. The cubic root of 68429958 is about 409.0239682433.
The spelling of 68429958 in words is "sixty-eight million, four hundred twenty-nine thousand, nine hundred fifty-eight".
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