Base | Representation |
---|---|
bin | 1000001010101… |
… | …00011010001000 |
3 | 11202220022200200 |
4 | 10011110122020 |
5 | 120014100201 |
6 | 10444132200 |
7 | 1461160500 |
oct | 405243210 |
9 | 152808620 |
10 | 68503176 |
11 | 357394a5 |
12 | 1ab37060 |
13 | 11266431 |
14 | 9152a00 |
15 | 6032386 |
hex | 4154688 |
68503176 has 72 divisors (see below), whose sum is σ = 215831070. Its totient is φ = 19571328.
The previous prime is 68503159. The next prime is 68503181. The reversal of 68503176 is 67130586.
It can be written as a sum of positive squares in only one way, i.e., 68459076 + 44100 = 8274^2 + 210^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 68503176.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6181 + ... + 13236.
Almost surely, 268503176 is an apocalyptic number.
It is an amenable number.
68503176 is an abundant number, since it is smaller than the sum of its proper divisors (147327894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68503176 is a wasteful number, since it uses less digits than its factorization.
68503176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19443 (or 19429 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 68503176 is about 8276.6645455763. The cubic root of 68503176 is about 409.1697973655.
The spelling of 68503176 in words is "sixty-eight million, five hundred three thousand, one hundred seventy-six".
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