Base | Representation |
---|---|
bin | 1000001001101… |
… | …10011100111011 |
3 | 11202200002101012 |
4 | 10010312130323 |
5 | 120001133400 |
6 | 10441344135 |
7 | 1460136662 |
oct | 404663473 |
9 | 152602335 |
10 | 68380475 |
11 | 35665299 |
12 | 1aa9804b |
13 | 11222627 |
14 | 911ddd9 |
15 | 600ad35 |
hex | 413673b |
68380475 has 12 divisors (see below), whose sum is σ = 84987864. Its totient is φ = 54577920.
The previous prime is 68380457. The next prime is 68380489. The reversal of 68380475 is 57408386.
It is a happy number.
It is not a de Polignac number, because 68380475 - 212 = 68376379 is a prime.
It is a super-2 number, since 2×683804752 = 9351778722451250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8747 + ... + 14603.
It is an arithmetic number, because the mean of its divisors is an integer number (7082322).
Almost surely, 268380475 is an apocalyptic number.
68380475 is a deficient number, since it is larger than the sum of its proper divisors (16607389).
68380475 is a wasteful number, since it uses less digits than its factorization.
68380475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6334 (or 6329 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 68380475 is about 8269.2487566888. The cubic root of 68380475 is about 408.9253534740.
The spelling of 68380475 in words is "sixty-eight million, three hundred eighty thousand, four hundred seventy-five".
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