Base | Representation |
---|---|
bin | 1000001010110… |
… | …01110110100001 |
3 | 11202221110021111 |
4 | 10011121312201 |
5 | 120020303343 |
6 | 10444423321 |
7 | 1461312502 |
oct | 405316641 |
9 | 152843244 |
10 | 68525473 |
11 | 35754225 |
12 | 1ab47b41 |
13 | 11273623 |
14 | 915aba9 |
15 | 6038c9d |
hex | 4159da1 |
68525473 has 8 divisors (see below), whose sum is σ = 70609896. Its totient is φ = 66460800.
The previous prime is 68525423. The next prime is 68525477. The reversal of 68525473 is 37452586.
It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 68442529 = 288^2 + 8273^2 .
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 68525473 - 29 = 68524961 is a prime.
It is a super-3 number, since 3×685254733 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68525477) 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, 2263 + ... + 11923.
It is an arithmetic number, because the mean of its divisors is an integer number (8826237).
Almost surely, 268525473 is an apocalyptic number.
It is an amenable number.
68525473 is a deficient number, since it is larger than the sum of its proper divisors (2084423).
68525473 is a wasteful number, since it uses less digits than its factorization.
68525473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9875.
The product of its digits is 201600, while the sum is 40.
The square root of 68525473 is about 8278.0114157930. The cubic root of 68525473 is about 409.2141859123.
The spelling of 68525473 in words is "sixty-eight million, five hundred twenty-five thousand, four hundred seventy-three".
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