Base | Representation |
---|---|
bin | 1000000110111… |
… | …01010111011000 |
3 | 11201222112211102 |
4 | 10003131113120 |
5 | 114402444301 |
6 | 10425450532 |
7 | 1454060066 |
oct | 403352730 |
9 | 151875742 |
10 | 68015576 |
11 | 35436122 |
12 | 1a940a48 |
13 | 11125505 |
14 | 9067036 |
15 | 5e87b6b |
hex | 40dd5d8 |
68015576 has 16 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 33864544.
The previous prime is 68015569. The next prime is 68015579. The reversal of 68015576 is 67551086.
It is a happy number.
It is a super-2 number, since 2×680155762 = 9252237157223552, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68015579) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15875 + ... + 19698.
It is an arithmetic number, because the mean of its divisors is an integer number (8004150).
Almost surely, 268015576 is an apocalyptic number.
It is an amenable number.
68015576 is a deficient number, since it is larger than the sum of its proper divisors (60050824).
68015576 is a wasteful number, since it uses less digits than its factorization.
68015576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35818 (or 35814 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 38.
The square root of 68015576 is about 8247.1556308827. The cubic root of 68015576 is about 408.1966724497.
The spelling of 68015576 in words is "sixty-eight million, fifteen thousand, five hundred seventy-six".
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