Base | Representation |
---|---|
bin | 1000010011100… |
… | …00111001110110 |
3 | 11212002112011201 |
4 | 10021300321312 |
5 | 120313342340 |
6 | 10525123114 |
7 | 1504113034 |
oct | 411607166 |
9 | 155075151 |
10 | 69668470 |
11 | 36364a53 |
12 | 1b3b949a |
13 | 11583961 |
14 | 9377554 |
15 | 61b279a |
hex | 4270e76 |
69668470 has 16 divisors (see below), whose sum is σ = 129449088. Its totient is φ = 26968320.
The previous prime is 69668419. The next prime is 69668477. The reversal of 69668470 is 7486696.
It is a self number, because there is not a number n which added to its sum of digits gives 69668470.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69668477) 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 7 ways as a sum of consecutive naturals, for example, 112059 + ... + 112678.
It is an arithmetic number, because the mean of its divisors is an integer number (8090568).
Almost surely, 269668470 is an apocalyptic number.
69668470 is a deficient number, since it is larger than the sum of its proper divisors (59780618).
69668470 is a wasteful number, since it uses less digits than its factorization.
69668470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224775.
The product of its (nonzero) digits is 435456, while the sum is 46.
The square root of 69668470 is about 8346.7640436279. The cubic root of 69668470 is about 411.4768669079.
The spelling of 69668470 in words is "sixty-nine million, six hundred sixty-eight thousand, four hundred seventy".
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