Base | Representation |
---|---|
bin | 1111111110110… |
… | …0111000110100 |
3 | 11200010111200002 |
4 | 3333230320310 |
5 | 114124434310 |
6 | 10352410432 |
7 | 1442515301 |
oct | 377547064 |
9 | 150114602 |
10 | 67030580 |
11 | 34923081 |
12 | 1a546a18 |
13 | 10b6c086 |
14 | 8c8c0a8 |
15 | 5d40da5 |
hex | 3fece34 |
67030580 has 24 divisors (see below), whose sum is σ = 141585192. Its totient is φ = 26655872.
The previous prime is 67030577. The next prime is 67030597. The reversal of 67030580 is 8503076.
It can be written as a sum of positive squares in 4 ways, for example, as 12802084 + 54228496 = 3578^2 + 7364^2 .
It is a super-3 number, since 3×670305803 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6227 + ... + 13146.
It is an arithmetic number, because the mean of its divisors is an integer number (5899383).
Almost surely, 267030580 is an apocalyptic number.
It is an amenable number.
67030580 is an abundant number, since it is smaller than the sum of its proper divisors (74554612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67030580 is a wasteful number, since it uses less digits than its factorization.
67030580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19555 (or 19553 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 67030580 is about 8187.2205295815. The cubic root of 67030580 is about 406.2165927558.
The spelling of 67030580 in words is "sixty-seven million, thirty thousand, five hundred eighty".
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