Base | Representation |
---|---|
bin | 1000001011001… |
… | …00101001100100 |
3 | 11210000200221112 |
4 | 10011210221210 |
5 | 120023212300 |
6 | 10445404152 |
7 | 1461555443 |
oct | 405445144 |
9 | 153020845 |
10 | 68569700 |
11 | 35784481 |
12 | 1ab69658 |
13 | 1128a7b4 |
14 | 916cd5a |
15 | 6046e35 |
hex | 4164a64 |
68569700 has 18 divisors (see below), whose sum is σ = 148796466. Its totient is φ = 27427840.
The previous prime is 68569691. The next prime is 68569747. The reversal of 68569700 is 796586.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 5494336 + 63075364 = 2344^2 + 7942^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342749 + ... + 342948.
Almost surely, 268569700 is an apocalyptic number.
It is an amenable number.
68569700 is an abundant number, since it is smaller than the sum of its proper divisors (80226766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68569700 is a wasteful number, since it uses less digits than its factorization.
68569700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685711 (or 685704 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 68569700 is about 8280.6823390346. The cubic root of 68569700 is about 409.3022039043.
The spelling of 68569700 in words is "sixty-eight million, five hundred sixty-nine thousand, seven hundred".
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