Base | Representation |
---|---|
bin | 1000001100001… |
… | …00110100100101 |
3 | 11210021101201011 |
4 | 10012010310211 |
5 | 120041421402 |
6 | 10452302221 |
7 | 1462644565 |
oct | 406046445 |
9 | 153241634 |
10 | 68701477 |
11 | 35864489 |
12 | 1b011971 |
13 | 11305780 |
14 | 91a4da5 |
15 | 6070ed7 |
hex | 4184d25 |
68701477 has 8 divisors (see below), whose sum is σ = 74108664. Its totient is φ = 63311808.
The previous prime is 68701463. The next prime is 68701499. The reversal of 68701477 is 77410786.
It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 68657796 = 209^2 + 8286^2 .
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 68701477 - 27 = 68701349 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 (68701417) 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, 4443 + ... + 12535.
It is an arithmetic number, because the mean of its divisors is an integer number (9263583).
Almost surely, 268701477 is an apocalyptic number.
It is an amenable number.
68701477 is a deficient number, since it is larger than the sum of its proper divisors (5407187).
68701477 is a wasteful number, since it uses less digits than its factorization.
68701477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8759.
The product of its (nonzero) digits is 65856, while the sum is 40.
The square root of 68701477 is about 8288.6354124186. The cubic root of 68701477 is about 409.5642346148.
The spelling of 68701477 in words is "sixty-eight million, seven hundred one thousand, four hundred seventy-seven".
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