Base | Representation |
---|---|
bin | 1000010101101… |
… | …10101000101011 |
3 | 11212122000222021 |
4 | 10022312220223 |
5 | 120402012331 |
6 | 10535205311 |
7 | 1506412534 |
oct | 412665053 |
9 | 155560867 |
10 | 69954091 |
11 | 3653a5a9 |
12 | 1b516837 |
13 | 1165396c |
14 | 940d68b |
15 | 621c211 |
hex | 42b6a2b |
69954091 has 4 divisors (see below), whose sum is σ = 69971184. Its totient is φ = 69937000.
The previous prime is 69954083. The next prime is 69954103. The reversal of 69954091 is 19045996.
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 69954091 - 23 = 69954083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69954191) 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 3 ways as a sum of consecutive naturals, for example, 1641 + ... + 11941.
It is an arithmetic number, because the mean of its divisors is an integer number (17492796).
Almost surely, 269954091 is an apocalyptic number.
69954091 is a deficient number, since it is larger than the sum of its proper divisors (17093).
69954091 is a wasteful number, since it uses less digits than its factorization.
69954091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17092.
The product of its (nonzero) digits is 87480, while the sum is 43.
The square root of 69954091 is about 8363.8562278413. The cubic root of 69954091 is about 412.0384130929.
The spelling of 69954091 in words is "sixty-nine million, nine hundred fifty-four thousand, ninety-one".
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