Base | Representation |
---|---|
bin | 1000001011110… |
… | …01000110101111 |
3 | 11210011221212202 |
4 | 10011321012233 |
5 | 120033402422 |
6 | 10451252115 |
7 | 1462354640 |
oct | 405710657 |
9 | 153157782 |
10 | 68653487 |
11 | 35831421 |
12 | 1abaa03b |
13 | 112b9986 |
14 | 91916c7 |
15 | 6061b92 |
hex | 41791af |
68653487 has 8 divisors (see below), whose sum is σ = 79747872. Its totient is φ = 57880800.
The previous prime is 68653477. The next prime is 68653523. The reversal of 68653487 is 78435686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68653487 - 226 = 1544623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68653427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79964 + ... + 80817.
It is an arithmetic number, because the mean of its divisors is an integer number (9968484).
Almost surely, 268653487 is an apocalyptic number.
68653487 is a deficient number, since it is larger than the sum of its proper divisors (11094385).
68653487 is a wasteful number, since it uses less digits than its factorization.
68653487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160849.
The product of its digits is 967680, while the sum is 47.
The square root of 68653487 is about 8285.7399790242. The cubic root of 68653487 is about 409.4688481846.
The spelling of 68653487 in words is "sixty-eight million, six hundred fifty-three thousand, four hundred eighty-seven".
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