Base | Representation |
---|---|
bin | 1000010101100… |
… | …01101011110100 |
3 | 11212121000011012 |
4 | 10022301223310 |
5 | 120400340222 |
6 | 10534531352 |
7 | 1506266444 |
oct | 412615364 |
9 | 155530135 |
10 | 69933812 |
11 | 36526343 |
12 | 1b506b58 |
13 | 11647670 |
14 | 9406124 |
15 | 62161e2 |
hex | 42b1af4 |
69933812 has 24 divisors (see below), whose sum is σ = 132336456. Its totient is φ = 32145408.
The previous prime is 69933803. The next prime is 69933817. The reversal of 69933812 is 21833996.
It can be written as a sum of positive squares in 4 ways, for example, as 37625956 + 32307856 = 6134^2 + 5684^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 69933812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69933817) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 10748 + ... + 15980.
It is an arithmetic number, because the mean of its divisors is an integer number (5514019).
Almost surely, 269933812 is an apocalyptic number.
It is an amenable number.
69933812 is a deficient number, since it is larger than the sum of its proper divisors (62402644).
69933812 is a wasteful number, since it uses less digits than its factorization.
69933812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5507 (or 5505 counting only the distinct ones).
The product of its digits is 69984, while the sum is 41.
The square root of 69933812 is about 8362.6438403175. The cubic root of 69933812 is about 411.9985939563.
The spelling of 69933812 in words is "sixty-nine million, nine hundred thirty-three thousand, eight hundred twelve".
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