Base | Representation |
---|---|
bin | 1000001000111… |
… | …10100100000001 |
3 | 11202111010011010 |
4 | 10010132210001 |
5 | 114440021000 |
6 | 10435311133 |
7 | 1456251465 |
oct | 404364401 |
9 | 152433133 |
10 | 68282625 |
11 | 355a8824 |
12 | 1aa4b4a9 |
13 | 111b9c28 |
14 | 90d64a5 |
15 | 5edbd50 |
hex | 411e901 |
68282625 has 32 divisors (see below), whose sum is σ = 120317184. Its totient is φ = 34272000.
The previous prime is 68282611. The next prime is 68282629. The reversal of 68282625 is 52628286.
It is not a de Polignac number, because 68282625 - 28 = 68282369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68282629) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020 + ... + 11730.
It is an arithmetic number, because the mean of its divisors is an integer number (3759912).
Almost surely, 268282625 is an apocalyptic number.
It is an amenable number.
68282625 is a deficient number, since it is larger than the sum of its proper divisors (52034559).
68282625 is a wasteful number, since it uses less digits than its factorization.
68282625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10746 (or 10736 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 68282625 is about 8263.3301398407. The cubic root of 68282625 is about 408.7302078718.
It can be divided in two parts, 6828 and 2625, that added together give a triangular number (9453 = T137).
The spelling of 68282625 in words is "sixty-eight million, two hundred eighty-two thousand, six hundred twenty-five".
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