Base | Representation |
---|---|
bin | 1000001101001… |
… | …01010011100000 |
3 | 11210112011012222 |
4 | 10012211103200 |
5 | 120110201103 |
6 | 10455210212 |
7 | 1464040520 |
oct | 406452340 |
9 | 153464188 |
10 | 68834528 |
11 | 35945444 |
12 | 1b076968 |
13 | 113511b9 |
14 | 91db680 |
15 | 609a638 |
hex | 41a54e0 |
68834528 has 48 divisors (see below), whose sum is σ = 155441664. Its totient is φ = 29393280.
The previous prime is 68834509. The next prime is 68834537. The reversal of 68834528 is 82543886.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108773 + ... + 109403.
It is an arithmetic number, because the mean of its divisors is an integer number (3238368).
Almost surely, 268834528 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 68834528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77720832).
68834528 is an abundant number, since it is smaller than the sum of its proper divisors (86607136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68834528 is a wasteful number, since it uses less digits than its factorization.
68834528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1135 (or 1127 counting only the distinct ones).
The product of its digits is 368640, while the sum is 44.
The square root of 68834528 is about 8296.6576402790. The cubic root of 68834528 is about 409.8284588749.
It can be divided in two parts, 6883 and 4528, that added together give a palindrome (11411).
The spelling of 68834528 in words is "sixty-eight million, eight hundred thirty-four thousand, five hundred twenty-eight".
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