Base | Representation |
---|---|
bin | 1000010000110… |
… | …00100000100010 |
3 | 11211102010111210 |
4 | 10020120200202 |
5 | 120220301102 |
6 | 10513250550 |
7 | 1501044324 |
oct | 410304042 |
9 | 154363453 |
10 | 69306402 |
11 | 36137a20 |
12 | 1b263a56 |
13 | 11487c09 |
14 | 92c1614 |
15 | 614036c |
hex | 4218822 |
69306402 has 64 divisors (see below), whose sum is σ = 157396608. Its totient is φ = 20160000.
The previous prime is 69306397. The next prime is 69306427. The reversal of 69306402 is 20460396.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 69306402.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246502 + ... + 246782.
It is an arithmetic number, because the mean of its divisors is an integer number (2459322).
Almost surely, 269306402 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69306402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78698304).
69306402 is an abundant number, since it is smaller than the sum of its proper divisors (88090206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69306402 is a wasteful number, since it uses less digits than its factorization.
69306402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435.
The product of its (nonzero) digits is 7776, while the sum is 30.
The square root of 69306402 is about 8325.0466665359. The cubic root of 69306402 is about 410.7628115051.
Adding to 69306402 its reverse (20460396), we get a palindrome (89766798).
The spelling of 69306402 in words is "sixty-nine million, three hundred six thousand, four hundred two".
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