Base | Representation |
---|---|
bin | 1000010001011… |
… | …11111001110011 |
3 | 11211120222221212 |
4 | 10020233321303 |
5 | 120231332402 |
6 | 10515310335 |
7 | 1501623566 |
oct | 410577163 |
9 | 154528855 |
10 | 69402227 |
11 | 361a2a14 |
12 | 1b2ab3ab |
13 | 114bc70b |
14 | 93084dd |
15 | 615d952 |
hex | 422fe73 |
69402227 has 4 divisors (see below), whose sum is σ = 70016520. Its totient is φ = 68787936.
The previous prime is 69402199. The next prime is 69402317. The reversal of 69402227 is 72220496.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 69402227 - 216 = 69336691 is a prime.
It is a super-2 number, since 2×694022272 = 9633338225119058, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69402193 and 69402202.
It is not an unprimeable number, because it can be changed into a prime (69402427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306977 + ... + 307202.
It is an arithmetic number, because the mean of its divisors is an integer number (17504130).
Almost surely, 269402227 is an apocalyptic number.
69402227 is a deficient number, since it is larger than the sum of its proper divisors (614293).
69402227 is a wasteful number, since it uses less digits than its factorization.
69402227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 614292.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 69402227 is about 8330.7999015701. The cubic root of 69402227 is about 410.9520351001.
The spelling of 69402227 in words is "sixty-nine million, four hundred two thousand, two hundred twenty-seven".
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