Base | Representation |
---|---|
bin | 100111111000101… |
… | …010011100100100 |
3 | 1201122011010021210 |
4 | 213320222130210 |
5 | 2332301242343 |
6 | 150222311420 |
7 | 22403545245 |
oct | 4770523444 |
9 | 1648133253 |
10 | 669165348 |
11 | 3137a9915 |
12 | 168128570 |
13 | a8834537 |
14 | 64c2cccc |
15 | 3db31333 |
hex | 27e2a724 |
669165348 has 12 divisors (see below), whose sum is σ = 1561385840. Its totient is φ = 223055112.
The previous prime is 669165347. The next prime is 669165361. The reversal of 669165348 is 843561966.
669165348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×6691653482 = 895564525927922208, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 669165297 and 669165306.
It is not an unprimeable number, because it can be changed into a prime (669165347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27881878 + ... + 27881901.
Almost surely, 2669165348 is an apocalyptic number.
It is an amenable number.
669165348 is an abundant number, since it is smaller than the sum of its proper divisors (892220492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
669165348 is a wasteful number, since it uses less digits than its factorization.
669165348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55763786 (or 55763784 counting only the distinct ones).
The product of its digits is 933120, while the sum is 48.
The square root of 669165348 is about 25868.2304767837. The cubic root of 669165348 is about 874.6705036387.
The spelling of 669165348 in words is "six hundred sixty-nine million, one hundred sixty-five thousand, three hundred forty-eight".
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