Base | Representation |
---|---|
bin | 1000010001011… |
… | …00001101100100 |
3 | 11211120020012220 |
4 | 10020230031210 |
5 | 120230341413 |
6 | 10515112340 |
7 | 1501531530 |
oct | 410541544 |
9 | 154506186 |
10 | 69387108 |
11 | 3619261a |
12 | 1b2a26b0 |
13 | 114b587b |
14 | 9302bc0 |
15 | 6159223 |
hex | 422c364 |
69387108 has 24 divisors (see below), whose sum is σ = 185032512. Its totient is φ = 19824864.
The previous prime is 69387103. The next prime is 69387137. The reversal of 69387108 is 80178396.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 69387108.
It is not an unprimeable number, because it can be changed into a prime (69387103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412935 + ... + 413102.
It is an arithmetic number, because the mean of its divisors is an integer number (7709688).
Almost surely, 269387108 is an apocalyptic number.
It is an amenable number.
69387108 is an abundant number, since it is smaller than the sum of its proper divisors (115645404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69387108 is a wasteful number, since it uses less digits than its factorization.
69387108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 826051 (or 826049 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 69387108 is about 8329.8924362803. The cubic root of 69387108 is about 410.9221915090.
The spelling of 69387108 in words is "sixty-nine million, three hundred eighty-seven thousand, one hundred eight".
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