Base | Representation |
---|---|
bin | 1000010011101… |
… | …11101111000010 |
3 | 11212010221120000 |
4 | 10021313233002 |
5 | 120320241300 |
6 | 10525500430 |
7 | 1504260435 |
oct | 411675702 |
9 | 155127500 |
10 | 69696450 |
11 | 36383a7a |
12 | 1b411716 |
13 | 11593605 |
14 | 938381c |
15 | 61bac00 |
hex | 4277bc2 |
69696450 has 60 divisors (see below), whose sum is σ = 193664130. Its totient is φ = 18584640.
The previous prime is 69696449. The next prime is 69696461. The reversal of 69696450 is 5469696.
It can be written as a sum of positive squares in 3 ways, for example, as 50168889 + 19527561 = 7083^2 + 4419^2 .
It is a super-3 number, since 3×696964503 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 69696396 and 69696405.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4555 + ... + 12654.
Almost surely, 269696450 is an apocalyptic number.
69696450 is an abundant number, since it is smaller than the sum of its proper divisors (123967680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69696450 is a wasteful number, since it uses less digits than its factorization.
69696450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17233 (or 17219 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The square root of 69696450 is about 8348.4399740311. The cubic root of 69696450 is about 411.5319448209.
The spelling of 69696450 in words is "sixty-nine million, six hundred ninety-six thousand, four hundred fifty".
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