Base | Representation |
---|---|
bin | 1000001110011… |
… | …11011000010110 |
3 | 11210211220122000 |
4 | 10013033120112 |
5 | 120131204440 |
6 | 10503020130 |
7 | 1465356132 |
oct | 407173026 |
9 | 153756560 |
10 | 69006870 |
11 | 35a52979 |
12 | 1b13a646 |
13 | 113b178a |
14 | 92443c2 |
15 | 60d1730 |
hex | 41cf616 |
69006870 has 64 divisors (see below), whose sum is σ = 185518080. Its totient is φ = 18252000.
The previous prime is 69006869. The next prime is 69006871. The reversal of 69006870 is 7860096.
It is an interprime number because it is at equal distance from previous prime (69006869) and next prime (69006871).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69006871) 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 31 ways as a sum of consecutive naturals, for example, 34395 + ... + 36345.
It is an arithmetic number, because the mean of its divisors is an integer number (2898720).
Almost surely, 269006870 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69006870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92759040).
69006870 is an abundant number, since it is smaller than the sum of its proper divisors (116511210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69006870 is a wasteful number, since it uses less digits than its factorization.
69006870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2098 (or 2092 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 69006870 is about 8307.0373780308. The cubic root of 69006870 is about 410.1702049619.
The spelling of 69006870 in words is "sixty-nine million, six thousand, eight hundred seventy".
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