Base | Representation |
---|---|
bin | 1000010100010… |
… | …00110100110010 |
3 | 11212021111120121 |
4 | 10022020310302 |
5 | 120330011300 |
6 | 10531200454 |
7 | 1505001505 |
oct | 412106462 |
9 | 155244517 |
10 | 69766450 |
11 | 36421626 |
12 | 1b44612a |
13 | 115b9430 |
14 | 93a113c |
15 | 61d181a |
hex | 4288d32 |
69766450 has 48 divisors (see below), whose sum is σ = 140756616. Its totient is φ = 25574400.
The previous prime is 69766447. The next prime is 69766469. The reversal of 69766450 is 5466796.
It can be written as a sum of positive squares in 12 ways, for example, as 3523129 + 66243321 = 1877^2 + 8139^2 .
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 69766397 and 69766406.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117354 + ... + 117946.
Almost surely, 269766450 is an apocalyptic number.
69766450 is an abundant number, since it is smaller than the sum of its proper divisors (70990166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69766450 is a wasteful number, since it uses less digits than its factorization.
69766450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 799 (or 794 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 43.
The square root of 69766450 is about 8352.6313219248. The cubic root of 69766450 is about 411.6696734870.
The spelling of 69766450 in words is "sixty-nine million, seven hundred sixty-six thousand, four hundred fifty".
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