Base | Representation |
---|---|
bin | 1000010011100… |
… | …00111000110000 |
3 | 11212002112002010 |
4 | 10021300320300 |
5 | 120313342100 |
6 | 10525122520 |
7 | 1504112604 |
oct | 411607060 |
9 | 155075063 |
10 | 69668400 |
11 | 3636499a |
12 | 1b3b9440 |
13 | 11583909 |
14 | 9377504 |
15 | 61b2750 |
hex | 4270e30 |
69668400 has 60 divisors (see below), whose sum is σ = 223174952. Its totient is φ = 18577920.
The previous prime is 69668381. The next prime is 69668413. The reversal of 69668400 is 486696.
It is a tau number, because it is divible by the number of its divisors (60).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27829 + ... + 30228.
Almost surely, 269668400 is an apocalyptic number.
69668400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
69668400 is an abundant number, since it is smaller than the sum of its proper divisors (153506552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69668400 is a wasteful number, since it uses less digits than its factorization.
69668400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58078 (or 58067 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 69668400 is about 8346.7598503851. The cubic root of 69668400 is about 411.4767290962.
It can be divided in two parts, 696 and 68400, that added together give a palindrome (69096).
The spelling of 69668400 in words is "sixty-nine million, six hundred sixty-eight thousand, four hundred".
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