Base | Representation |
---|---|
bin | 1000010010001… |
… | …10010001010001 |
3 | 11211202122121222 |
4 | 10021012101101 |
5 | 120242300331 |
6 | 10521254425 |
7 | 1502454644 |
oct | 411062121 |
9 | 154678558 |
10 | 69493841 |
11 | 3625582a |
12 | 1b334415 |
13 | 11522321 |
14 | 932da5b |
15 | 617ab7b |
hex | 4246451 |
69493841 has 4 divisors (see below), whose sum is σ = 73581732. Its totient is φ = 65405952.
The previous prime is 69493793. The next prime is 69493843. The reversal of 69493841 is 14839496.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 50353216 + 19140625 = 7096^2 + 4375^2 .
It is a cyclic number.
It is not a de Polignac number, because 69493841 - 210 = 69492817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69493792 and 69493801.
It is not an unprimeable number, because it can be changed into a prime (69493843) 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, 2043920 + ... + 2043953.
It is an arithmetic number, because the mean of its divisors is an integer number (18395433).
Almost surely, 269493841 is an apocalyptic number.
It is an amenable number.
69493841 is a deficient number, since it is larger than the sum of its proper divisors (4087891).
69493841 is a wasteful number, since it uses less digits than its factorization.
69493841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4087890.
The product of its digits is 186624, while the sum is 44.
The square root of 69493841 is about 8336.2965998098. The cubic root of 69493841 is about 411.1327805287.
The spelling of 69493841 in words is "sixty-nine million, four hundred ninety-three thousand, eight hundred forty-one".
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