Base | Representation |
---|---|
bin | 1000001010000… |
… | …10001011010101 |
3 | 11202202112020221 |
4 | 10011002023111 |
5 | 120004203001 |
6 | 10442354341 |
7 | 1460430001 |
oct | 405021325 |
9 | 152675227 |
10 | 68428501 |
11 | 35698389 |
12 | 1aabb9b1 |
13 | 1123b44b |
14 | 9133701 |
15 | 601a1a1 |
hex | 41422d5 |
68428501 has 8 divisors (see below), whose sum is σ = 70737408. Its totient is φ = 66126000.
The previous prime is 68428483. The next prime is 68428511. The reversal of 68428501 is 10582486.
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 68428501 - 211 = 68426453 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 (68428511) 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, 30891 + ... + 33031.
It is an arithmetic number, because the mean of its divisors is an integer number (8842176).
Almost surely, 268428501 is an apocalyptic number.
It is an amenable number.
68428501 is a deficient number, since it is larger than the sum of its proper divisors (2308907).
68428501 is a wasteful number, since it uses less digits than its factorization.
68428501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3203.
The product of its (nonzero) digits is 15360, while the sum is 34.
The square root of 68428501 is about 8272.1521383495. The cubic root of 68428501 is about 409.0210652645.
The spelling of 68428501 in words is "sixty-eight million, four hundred twenty-eight thousand, five hundred one".
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