Base | Representation |
---|---|
bin | 1000000000111… |
… | …11110000010010 |
3 | 11200112002110202 |
4 | 10000133300102 |
5 | 114203121210 |
6 | 10401055202 |
7 | 1444343603 |
oct | 400376022 |
9 | 150462422 |
10 | 67238930 |
11 | 34a55670 |
12 | 1a627502 |
13 | 10c12b65 |
14 | 8d03daa |
15 | 5d829a5 |
hex | 401fc12 |
67238930 has 16 divisors (see below), whose sum is σ = 132033024. Its totient is φ = 24450480.
The previous prime is 67238923. The next prime is 67238933. The reversal of 67238930 is 3983276.
It is not an unprimeable number, because it can be changed into a prime (67238933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305522 + ... + 305741.
It is an arithmetic number, because the mean of its divisors is an integer number (8252064).
Almost surely, 267238930 is an apocalyptic number.
67238930 is a deficient number, since it is larger than the sum of its proper divisors (64794094).
67238930 is a wasteful number, since it uses less digits than its factorization.
67238930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611281.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 67238930 is about 8199.9347558380. The cubic root of 67238930 is about 406.6370361223.
The spelling of 67238930 in words is "sixty-seven million, two hundred thirty-eight thousand, nine hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •