Base | Representation |
---|---|
bin | 1000010001110… |
… | …00000101010010 |
3 | 11211122200220201 |
4 | 10020320011102 |
5 | 120233420410 |
6 | 10520125414 |
7 | 1502123350 |
oct | 410700522 |
9 | 154580821 |
10 | 69435730 |
11 | 36216101 |
12 | 1b30686a |
13 | 11501a40 |
14 | 93167d0 |
15 | 616883a |
hex | 4238152 |
69435730 has 32 divisors (see below), whose sum is σ = 153828864. Its totient is φ = 21974976.
The previous prime is 69435719. The next prime is 69435731. The reversal of 69435730 is 3753496.
It is a Smith number, since the sum of its digits (37) 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 69435730.
It is not an unprimeable number, because it can be changed into a prime (69435731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37242 + ... + 39061.
It is an arithmetic number, because the mean of its divisors is an integer number (4807152).
Almost surely, 269435730 is an apocalyptic number.
69435730 is an abundant number, since it is smaller than the sum of its proper divisors (84393134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69435730 is a wasteful number, since it uses less digits than its factorization.
69435730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76330.
The product of its (nonzero) digits is 68040, while the sum is 37.
The square root of 69435730 is about 8332.8104502623. The cubic root of 69435730 is about 411.0181516680.
The spelling of 69435730 in words is "sixty-nine million, four hundred thirty-five thousand, seven hundred thirty".
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