Base | Representation |
---|---|
bin | 1000010000011… |
… | …11001000110011 |
3 | 11211100011212012 |
4 | 10020033020303 |
5 | 120213034034 |
6 | 10512353135 |
7 | 1500524402 |
oct | 410171063 |
9 | 154304765 |
10 | 69268019 |
11 | 361110a7 |
12 | 1b2457ab |
13 | 114735c2 |
14 | 92b1639 |
15 | 6133cce |
hex | 420f233 |
69268019 has 4 divisors (see below), whose sum is σ = 72279696. Its totient is φ = 66256344.
The previous prime is 69267997. The next prime is 69268027. The reversal of 69268019 is 91086296.
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 69268019 - 212 = 69263923 is a prime.
It is a super-2 number, since 2×692680192 = 9596116912368722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69268819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505804 + ... + 1505849.
It is an arithmetic number, because the mean of its divisors is an integer number (18069924).
Almost surely, 269268019 is an apocalyptic number.
69268019 is a deficient number, since it is larger than the sum of its proper divisors (3011677).
69268019 is a wasteful number, since it uses less digits than its factorization.
69268019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3011676.
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 69268019 is about 8322.7410749104. The cubic root of 69268019 is about 410.6869684854.
The spelling of 69268019 in words is "sixty-nine million, two hundred sixty-eight thousand, nineteen".
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