Base | Representation |
---|---|
bin | 1000001111011… |
… | …10011101000101 |
3 | 11211002101020001 |
4 | 10013232131011 |
5 | 120144243044 |
6 | 10505441301 |
7 | 1466426200 |
oct | 407563505 |
9 | 154071201 |
10 | 69134149 |
11 | 3602a567 |
12 | 1b1a0231 |
13 | 114276a6 |
14 | 9278937 |
15 | 61092d4 |
hex | 41ee745 |
69134149 has 12 divisors (see below), whose sum is σ = 80723628. Its totient is φ = 59035200.
The previous prime is 69134147. The next prime is 69134183. The reversal of 69134149 is 94143196.
It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 13557124 = 7455^2 + 3682^2 .
It is not a de Polignac number, because 69134149 - 21 = 69134147 is a prime.
It is a super-3 number, since 3×691341493 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69134147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11259 + ... + 16279.
It is an arithmetic number, because the mean of its divisors is an integer number (6726969).
Almost surely, 269134149 is an apocalyptic number.
It is an amenable number.
69134149 is a deficient number, since it is larger than the sum of its proper divisors (11589479).
69134149 is a wasteful number, since it uses less digits than its factorization.
69134149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5316 (or 5309 counting only the distinct ones).
The product of its digits is 23328, while the sum is 37.
The square root of 69134149 is about 8314.6947628882. The cubic root of 69134149 is about 410.4222281271.
The spelling of 69134149 in words is "sixty-nine million, one hundred thirty-four thousand, one hundred forty-nine".
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