Base | Representation |
---|---|
bin | 1000010001000… |
… | …10111001101001 |
3 | 11211111021220100 |
4 | 10020202321221 |
5 | 120223131334 |
6 | 10514220013 |
7 | 1501312404 |
oct | 410427151 |
9 | 154437810 |
10 | 69348969 |
11 | 361669a8 |
12 | 1b284609 |
13 | 114a13c1 |
14 | 92d2d3b |
15 | 614cc99 |
hex | 4222e69 |
69348969 has 6 divisors (see below), whose sum is σ = 100170746. Its totient is φ = 46232640.
The previous prime is 69348959. The next prime is 69348971. The reversal of 69348969 is 96984396.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 56475225 + 12873744 = 7515^2 + 3588^2 .
It is a de Polignac number, because none of the positive numbers 2k-69348969 is a prime.
It is a super-2 number, since 2×693489692 = 9618559002725922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69348959) 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 5 ways as a sum of consecutive naturals, for example, 3852712 + ... + 3852729.
Almost surely, 269348969 is an apocalyptic number.
It is an amenable number.
69348969 is a deficient number, since it is larger than the sum of its proper divisors (30821777).
69348969 is a wasteful number, since it uses less digits than its factorization.
69348969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7705447 (or 7705444 counting only the distinct ones).
The product of its digits is 2519424, while the sum is 54.
The square root of 69348969 is about 8327.6028363509. The cubic root of 69348969 is about 410.8468891740.
The spelling of 69348969 in words is "sixty-nine million, three hundred forty-eight thousand, nine hundred sixty-nine".
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