Base | Representation |
---|---|
bin | 1000001111111… |
… | …10110001111100 |
3 | 11211012202221202 |
4 | 10013332301330 |
5 | 120203413040 |
6 | 10511115032 |
7 | 1500125150 |
oct | 407766174 |
9 | 154182852 |
10 | 69201020 |
11 | 36075829 |
12 | 1b212a78 |
13 | 1144bc65 |
14 | 9295060 |
15 | 611e015 |
hex | 41fec7c |
69201020 has 48 divisors (see below), whose sum is σ = 173311488. Its totient is φ = 22693440.
The previous prime is 69200969. The next prime is 69201031. The reversal of 69201020 is 2010296.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 69200983 and 69201001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7526 + ... + 13965.
It is an arithmetic number, because the mean of its divisors is an integer number (3610656).
Almost surely, 269201020 is an apocalyptic number.
It is an amenable number.
69201020 is an abundant number, since it is smaller than the sum of its proper divisors (104110468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69201020 is a wasteful number, since it uses less digits than its factorization.
69201020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21530 (or 21528 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 69201020 is about 8318.7150450054. The cubic root of 69201020 is about 410.5545144188.
The spelling of 69201020 in words is "sixty-nine million, two hundred one thousand, twenty".
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