Base | Representation |
---|---|
bin | 1000001000011… |
… | …01100010100000 |
3 | 11202100120111120 |
4 | 10010031202200 |
5 | 114430303041 |
6 | 10434012240 |
7 | 1455541263 |
oct | 404154240 |
9 | 152316446 |
10 | 68212896 |
11 | 355603a4 |
12 | 1aa17080 |
13 | 1119427b |
14 | 90b8cda |
15 | 5ec6366 |
hex | 410d8a0 |
68212896 has 48 divisors (see below), whose sum is σ = 184843008. Its totient is φ = 22003200.
The previous prime is 68212877. The next prime is 68212897. The reversal of 68212896 is 69821286.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (68212897) 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, 8485 + ... + 14436.
It is an arithmetic number, because the mean of its divisors is an integer number (3850896).
Almost surely, 268212896 is an apocalyptic number.
It is an amenable number.
68212896 is an abundant number, since it is smaller than the sum of its proper divisors (116630112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68212896 is a wasteful number, since it uses less digits than its factorization.
68212896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22965 (or 22957 counting only the distinct ones).
The product of its digits is 82944, while the sum is 42.
The square root of 68212896 is about 8259.1098793998. The cubic root of 68212896 is about 408.5910311509.
The spelling of 68212896 in words is "sixty-eight million, two hundred twelve thousand, eight hundred ninety-six".
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