Base | Representation |
---|---|
bin | 1000010001000… |
… | …01111101001100 |
3 | 11211111002121001 |
4 | 10020201331030 |
5 | 120223020400 |
6 | 10514150044 |
7 | 1501265206 |
oct | 410417514 |
9 | 154432531 |
10 | 69345100 |
11 | 36164000 |
12 | 1b282324 |
13 | 1149c706 |
14 | 92d1776 |
15 | 614ba6a |
hex | 4221f4c |
69345100 has 72 divisors (see below), whose sum is σ = 165833136. Its totient is φ = 25168000.
The previous prime is 69345077. The next prime is 69345103. The reversal of 69345100 is 154396.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (69345103) 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 23 ways as a sum of consecutive naturals, for example, 132840 + ... + 133360.
It is an arithmetic number, because the mean of its divisors is an integer number (2303238).
Almost surely, 269345100 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 69345100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82916568).
69345100 is an abundant number, since it is smaller than the sum of its proper divisors (96488036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69345100 is a wasteful number, since it uses less digits than its factorization.
69345100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568 (or 539 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 69345100 is about 8327.3705333677. The cubic root of 69345100 is about 410.8392486077.
Adding to 69345100 its reverse (154396), we get a palindrome (69499496).
The spelling of 69345100 in words is "sixty-nine million, three hundred forty-five thousand, one hundred".
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