Base | Representation |
---|---|
bin | 1000000101110… |
… | …01011000101111 |
3 | 11201201001200022 |
4 | 10002321120233 |
5 | 114333240312 |
6 | 10422352355 |
7 | 1452604331 |
oct | 402713057 |
9 | 151631608 |
10 | 67868207 |
11 | 35345430 |
12 | 1a88b6bb |
13 | 110a3404 |
14 | 9029451 |
15 | 5e59172 |
hex | 40b962f |
67868207 has 16 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 57640800.
The previous prime is 67868201. The next prime is 67868219. The reversal of 67868207 is 70286876.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 67868207 - 24 = 67868191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67868201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6458 + ... + 13320.
It is an arithmetic number, because the mean of its divisors is an integer number (4942080).
Almost surely, 267868207 is an apocalyptic number.
67868207 is a deficient number, since it is larger than the sum of its proper divisors (11205073).
67868207 is a wasteful number, since it uses less digits than its factorization.
67868207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6934.
The product of its (nonzero) digits is 225792, while the sum is 44.
The square root of 67868207 is about 8238.2162511068. The cubic root of 67868207 is about 407.9016467239.
The spelling of 67868207 in words is "sixty-seven million, eight hundred sixty-eight thousand, two hundred seven".
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