Base | Representation |
---|---|
bin | 1000010000110… |
… | …00010001000101 |
3 | 11211102002011011 |
4 | 10020120101011 |
5 | 120220233123 |
6 | 10513242221 |
7 | 1501041412 |
oct | 410302105 |
9 | 154362134 |
10 | 69305413 |
11 | 36137201 |
12 | 1b263371 |
13 | 11487628 |
14 | 92c1109 |
15 | 613ee0d |
hex | 4218445 |
69305413 has 8 divisors (see below), whose sum is σ = 73877400. Its totient is φ = 64788480.
The previous prime is 69305387. The next prime is 69305437. The reversal of 69305413 is 31450396.
It can be written as a sum of positive squares in 4 ways, for example, as 9351364 + 59954049 = 3058^2 + 7743^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 69305413 - 29 = 69304901 is a prime.
It is a super-2 number, since 2×693054132 = 9606480542201138, which contains 22 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 (69305473) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11148 + ... + 16213.
It is an arithmetic number, because the mean of its divisors is an integer number (9234675).
Almost surely, 269305413 is an apocalyptic number.
It is an amenable number.
69305413 is a deficient number, since it is larger than the sum of its proper divisors (4571987).
69305413 is a wasteful number, since it uses less digits than its factorization.
69305413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27527.
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 69305413 is about 8324.9872672575. The cubic root of 69305413 is about 410.7608576387.
The spelling of 69305413 in words is "sixty-nine million, three hundred five thousand, four hundred thirteen".
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