Base | Representation |
---|---|
bin | 1000000000101… |
… | …11010110110011 |
3 | 11200110100021201 |
4 | 10000113112303 |
5 | 114201021111 |
6 | 10400232031 |
7 | 1444141402 |
oct | 400272663 |
9 | 150410251 |
10 | 67204531 |
11 | 34a31839 |
12 | 1a60b617 |
13 | 10c002c4 |
14 | 8cd5639 |
15 | 5d776c1 |
hex | 40175b3 |
67204531 has 8 divisors (see below), whose sum is σ = 67730544. Its totient is φ = 66681120.
The previous prime is 67204507. The next prime is 67204541. The reversal of 67204531 is 13540276.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67204531 - 25 = 67204499 is a prime.
It is a super-2 number, since 2×672045312 = 9032897973859922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67204531.
It is not an unprimeable number, because it can be changed into a prime (67204541) 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, 101341 + ... + 102001.
It is an arithmetic number, because the mean of its divisors is an integer number (8466318).
Almost surely, 267204531 is an apocalyptic number.
67204531 is a deficient number, since it is larger than the sum of its proper divisors (526013).
67204531 is a wasteful number, since it uses less digits than its factorization.
67204531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 67204531 is about 8197.8369708113. The cubic root of 67204531 is about 406.5676800045.
The spelling of 67204531 in words is "sixty-seven million, two hundred four thousand, five hundred thirty-one".
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