Base | Representation |
---|---|
bin | 1000010000010… |
… | …00110011010111 |
3 | 11211021212021011 |
4 | 10020020303113 |
5 | 120211221241 |
6 | 10512033051 |
7 | 1500355633 |
oct | 410106327 |
9 | 154255234 |
10 | 69242071 |
11 | 360a3658 |
12 | 1b232787 |
13 | 11464852 |
14 | 92a5dc3 |
15 | 612b281 |
hex | 4208cd7 |
69242071 has 12 divisors (see below), whose sum is σ = 75177936. Its totient is φ = 63553280.
The previous prime is 69242057. The next prime is 69242087. The reversal of 69242071 is 17024296.
It is not a de Polignac number, because 69242071 - 27 = 69241943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69242011) 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 11 ways as a sum of consecutive naturals, for example, 27366 + ... + 29788.
It is an arithmetic number, because the mean of its divisors is an integer number (6264828).
Almost surely, 269242071 is an apocalyptic number.
69242071 is a deficient number, since it is larger than the sum of its proper divisors (5935865).
69242071 is a wasteful number, since it uses less digits than its factorization.
69242071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2522 (or 2481 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 69242071 is about 8321.1820674709. The cubic root of 69242071 is about 410.6356805724.
The spelling of 69242071 in words is "sixty-nine million, two hundred forty-two thousand, seventy-one".
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