Base | Representation |
---|---|
bin | 1000001000010… |
… | …10110000000000 |
3 | 11202022222211110 |
4 | 10010022300000 |
5 | 114424421342 |
6 | 10433443320 |
7 | 1455463053 |
oct | 404126000 |
9 | 152288743 |
10 | 68201472 |
11 | 35552859 |
12 | 1aa10540 |
13 | 1118c001 |
14 | 90b4a9a |
15 | 5ec2c9c |
hex | 410ac00 |
68201472 has 66 divisors (see below), whose sum is σ = 183009988. Its totient is φ = 22581248.
The previous prime is 68201461. The next prime is 68201503. The reversal of 68201472 is 27410286.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457654 + ... + 457802.
Almost surely, 268201472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68201472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91504994).
68201472 is an abundant number, since it is smaller than the sum of its proper divisors (114808516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68201472 is an equidigital number, since it uses as much as digits as its factorization.
68201472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321 (or 154 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 68201472 is about 8258.4182504884. The cubic root of 68201472 is about 408.5682201928.
The spelling of 68201472 in words is "sixty-eight million, two hundred one thousand, four hundred seventy-two".
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