Base | Representation |
---|---|
bin | 1000001110100… |
… | …01010111101100 |
3 | 11210212022210212 |
4 | 10013101113230 |
5 | 120131440040 |
6 | 10503121552 |
7 | 1465421654 |
oct | 407212754 |
9 | 153768725 |
10 | 69015020 |
11 | 35a59008 |
12 | 1b1432b8 |
13 | 113b53b9 |
14 | 9247364 |
15 | 60d3d65 |
hex | 41d15ec |
69015020 has 12 divisors (see below), whose sum is σ = 144931584. Its totient is φ = 27606000.
The previous prime is 69014999. The next prime is 69015031. The reversal of 69015020 is 2051096.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1725356 + ... + 1725395.
It is an arithmetic number, because the mean of its divisors is an integer number (12077632).
Almost surely, 269015020 is an apocalyptic number.
It is an amenable number.
69015020 is an abundant number, since it is smaller than the sum of its proper divisors (75916564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69015020 is a wasteful number, since it uses less digits than its factorization.
69015020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3450760 (or 3450758 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 69015020 is about 8307.5279114788. The cubic root of 69015020 is about 410.1863519319.
The spelling of 69015020 in words is "sixty-nine million, fifteen thousand, twenty".
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