Base | Representation |
---|---|
bin | 1000001011111… |
… | …01010000000001 |
3 | 11210012211011120 |
4 | 10011331100001 |
5 | 120034423330 |
6 | 10451502453 |
7 | 1462455303 |
oct | 405752001 |
9 | 153184146 |
10 | 68670465 |
11 | 35843156 |
12 | 1abb7a29 |
13 | 112c4616 |
14 | 9197973 |
15 | 6066c10 |
hex | 417d401 |
68670465 has 32 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 34266816.
The previous prime is 68670461. The next prime is 68670467. The reversal of 68670465 is 56407686.
It is a happy number.
It is not a de Polignac number, because 68670465 - 22 = 68670461 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68670461) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22204 + ... + 25106.
It is an arithmetic number, because the mean of its divisors is an integer number (3659040).
Almost surely, 268670465 is an apocalyptic number.
It is an amenable number.
68670465 is a deficient number, since it is larger than the sum of its proper divisors (48418815).
68670465 is a wasteful number, since it uses less digits than its factorization.
68670465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3013.
The product of its (nonzero) digits is 241920, while the sum is 42.
The square root of 68670465 is about 8286.7644469962. The cubic root of 68670465 is about 409.5025992700.
The spelling of 68670465 in words is "sixty-eight million, six hundred seventy thousand, four hundred sixty-five".
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