Base | Representation |
---|---|
bin | 1000000100011… |
… | …10110110101011 |
3 | 11201101012201000 |
4 | 10002032312223 |
5 | 114312201440 |
6 | 10414530043 |
7 | 1451250405 |
oct | 402166653 |
9 | 151335630 |
10 | 67693995 |
11 | 35236556 |
12 | 1a806923 |
13 | 11042025 |
14 | 8dc1b75 |
15 | 5e22730 |
hex | 408edab |
67693995 has 32 divisors (see below), whose sum is σ = 122011200. Its totient is φ = 35603712.
The previous prime is 67693963. The next prime is 67694009. The reversal of 67693995 is 59939676.
It is not a de Polignac number, because 67693995 - 25 = 67693963 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 6421 + ... + 13289.
It is an arithmetic number, because the mean of its divisors is an integer number (3812850).
Almost surely, 267693995 is an apocalyptic number.
67693995 is a deficient number, since it is larger than the sum of its proper divisors (54317205).
67693995 is a wasteful number, since it uses less digits than its factorization.
67693995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6956 (or 6950 counting only the distinct ones).
The product of its digits is 2755620, while the sum is 54.
The square root of 67693995 is about 8227.6360517466. The cubic root of 67693995 is about 407.5523312170.
The spelling of 67693995 in words is "sixty-seven million, six hundred ninety-three thousand, nine hundred ninety-five".
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