Base | Representation |
---|---|
bin | 1000010011000… |
… | …11011011110001 |
3 | 11211222201111021 |
4 | 10021203123301 |
5 | 120310111142 |
6 | 10524015441 |
7 | 1503463135 |
oct | 411433361 |
9 | 154881437 |
10 | 69613297 |
11 | 36327556 |
12 | 1b391581 |
13 | 11564800 |
14 | 93613c5 |
15 | 61a1267 |
hex | 42636f1 |
69613297 has 12 divisors (see below), whose sum is σ = 75847644. Its totient is φ = 63860160.
The previous prime is 69613289. The next prime is 69613301. The reversal of 69613297 is 79231696.
It can be written as a sum of positive squares in 6 ways, for example, as 17715681 + 51897616 = 4209^2 + 7204^2 .
It is not a de Polignac number, because 69613297 - 23 = 69613289 is a prime.
It is a super-2 number, since 2×696132972 = 9692022238420418, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69613277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28047 + ... + 30427.
It is an arithmetic number, because the mean of its divisors is an integer number (6320637).
Almost surely, 269613297 is an apocalyptic number.
It is an amenable number.
69613297 is a deficient number, since it is larger than the sum of its proper divisors (6234347).
69613297 is a wasteful number, since it uses less digits than its factorization.
69613297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2580 (or 2567 counting only the distinct ones).
The product of its digits is 122472, while the sum is 43.
The square root of 69613297 is about 8343.4583357263. The cubic root of 69613297 is about 411.3682170467.
The spelling of 69613297 in words is "sixty-nine million, six hundred thirteen thousand, two hundred ninety-seven".
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