Base | Representation |
---|---|
bin | 1000001110011… |
… | …10001100100100 |
3 | 11210211122222101 |
4 | 10013032030210 |
5 | 120131031040 |
6 | 10502541444 |
7 | 1465336033 |
oct | 407161444 |
9 | 153748871 |
10 | 69002020 |
11 | 35a4a26a |
12 | 1b137884 |
13 | 113ac4c9 |
14 | 924271a |
15 | 60d009a |
hex | 41ce324 |
69002020 has 48 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 26490240.
The previous prime is 69001979. The next prime is 69002029. The reversal of 69002020 is 2020096.
It is a super-2 number, since 2×690020202 = 9522557528160800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (69002029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156961 + ... + 157399.
It is an arithmetic number, because the mean of its divisors is an integer number (3141600).
Almost surely, 269002020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75398400).
69002020 is an abundant number, since it is smaller than the sum of its proper divisors (81794780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69002020 is a wasteful number, since it uses less digits than its factorization.
69002020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748 (or 746 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 69002020 is about 8306.7454517398. The cubic root of 69002020 is about 410.1605954255.
The spelling of 69002020 in words is "sixty-nine million, two thousand, twenty".
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