Base | Representation |
---|---|
bin | 1000000110111… |
… | …01110101110100 |
3 | 11201222122111120 |
4 | 10003131311310 |
5 | 114403030044 |
6 | 10425503540 |
7 | 1454065551 |
oct | 403356564 |
9 | 151878446 |
10 | 68017524 |
11 | 35437633 |
12 | 1a941bb0 |
13 | 11126373 |
14 | 9067a28 |
15 | 5e88519 |
hex | 40ddd74 |
68017524 has 24 divisors (see below), whose sum is σ = 162579648. Its totient is φ = 22119360.
The previous prime is 68017487. The next prime is 68017553. The reversal of 68017524 is 42571086.
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, 68632 + ... + 69615.
It is an arithmetic number, because the mean of its divisors is an integer number (6774152).
Almost surely, 268017524 is an apocalyptic number.
It is an amenable number.
68017524 is an abundant number, since it is smaller than the sum of its proper divisors (94562124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68017524 is a wasteful number, since it uses less digits than its factorization.
68017524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138295 (or 138293 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 68017524 is about 8247.2737313612. The cubic root of 68017524 is about 408.2005693979.
The spelling of 68017524 in words is "sixty-eight million, seventeen thousand, five hundred twenty-four".
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