Base | Representation |
---|---|
bin | 1000010001110… |
… | …10001000011101 |
3 | 11211200010102122 |
4 | 10020322020131 |
5 | 120234203000 |
6 | 10520232325 |
7 | 1502160002 |
oct | 410721035 |
9 | 154603378 |
10 | 69444125 |
11 | 36221443 |
12 | 1b30b6a5 |
13 | 115057ca |
14 | 93198a9 |
15 | 616b085 |
hex | 423a21d |
69444125 has 16 divisors (see below), whose sum is σ = 89659440. Its totient is φ = 53636800.
The previous prime is 69444113. The next prime is 69444127. The reversal of 69444125 is 52144496.
It can be written as a sum of positive squares in 8 ways, for example, as 42549529 + 26894596 = 6523^2 + 5186^2 .
It is not a de Polignac number, because 69444125 - 212 = 69440029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69444127) 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 15 ways as a sum of consecutive naturals, for example, 5954 + ... + 13203.
It is an arithmetic number, because the mean of its divisors is an integer number (5603715).
Almost surely, 269444125 is an apocalyptic number.
It is an amenable number.
69444125 is a deficient number, since it is larger than the sum of its proper divisors (20215315).
69444125 is a wasteful number, since it uses less digits than its factorization.
69444125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19201 (or 19191 counting only the distinct ones).
The product of its digits is 34560, while the sum is 35.
The square root of 69444125 is about 8333.3141666446. The cubic root of 69444125 is about 411.0347154666.
The spelling of 69444125 in words is "sixty-nine million, four hundred forty-four thousand, one hundred twenty-five".
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