Base | Representation |
---|---|
bin | 1000000000111… |
… | …01001100100100 |
3 | 11200111120002200 |
4 | 10000131030210 |
5 | 114202302302 |
6 | 10400534500 |
7 | 1444301214 |
oct | 400351444 |
9 | 150446080 |
10 | 67228452 |
11 | 34a48805 |
12 | 1a621430 |
13 | 10c0b165 |
14 | 8d00244 |
15 | 5d7e81c |
hex | 401d324 |
67228452 has 36 divisors (see below), whose sum is σ = 170398956. Its totient is φ = 22348800.
The previous prime is 67228411. The next prime is 67228453. The reversal of 67228452 is 25482276.
It can be written as a sum of positive squares in 2 ways, for example, as 42068196 + 25160256 = 6486^2 + 5016^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (67228453) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12108 + ... + 16764.
Almost surely, 267228452 is an apocalyptic number.
It is an amenable number.
67228452 is an abundant number, since it is smaller than the sum of its proper divisors (103170504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67228452 is a wasteful number, since it uses less digits than its factorization.
67228452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5068 (or 5063 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 67228452 is about 8199.2958234229. The cubic root of 67228452 is about 406.6159126244.
The spelling of 67228452 in words is "sixty-seven million, two hundred twenty-eight thousand, four hundred fifty-two".
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