Base | Representation |
---|---|
bin | 1000001011100… |
… | …11111110010100 |
3 | 11210010220001021 |
4 | 10011303332110 |
5 | 120032214333 |
6 | 10451010524 |
7 | 1462236442 |
oct | 405637624 |
9 | 153126037 |
10 | 68632468 |
11 | 35817653 |
12 | 1ab99a44 |
13 | 112b0238 |
14 | 9187b92 |
15 | 605a82d |
hex | 4173f94 |
68632468 has 12 divisors (see below), whose sum is σ = 127172052. Its totient is φ = 32297600.
The previous prime is 68632457. The next prime is 68632469. The reversal of 68632468 is 86423686.
It can be written as a sum of positive squares in 2 ways, for example, as 21270544 + 47361924 = 4612^2 + 6882^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68632469) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504583 + ... + 504718.
It is an arithmetic number, because the mean of its divisors is an integer number (10597671).
Almost surely, 268632468 is an apocalyptic number.
68632468 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
68632468 is a deficient number, since it is larger than the sum of its proper divisors (58539584).
68632468 is a wasteful number, since it uses less digits than its factorization.
68632468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009322 (or 1009320 counting only the distinct ones).
The product of its digits is 331776, while the sum is 43.
The square root of 68632468 is about 8284.4714979291. The cubic root of 68632468 is about 409.4270561621.
The spelling of 68632468 in words is "sixty-eight million, six hundred thirty-two thousand, four hundred sixty-eight".
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