Base | Representation |
---|---|
bin | 1000001101011… |
… | …10110010111001 |
3 | 11210121010112201 |
4 | 10012232302321 |
5 | 120112422101 |
6 | 10500110201 |
7 | 1464262042 |
oct | 406566271 |
9 | 153533481 |
10 | 68873401 |
11 | 35971673 |
12 | 1b095361 |
13 | 11365abc |
14 | 920b8c9 |
15 | 60a6e01 |
hex | 41aecb9 |
68873401 has 9 divisors (see below), whose sum is σ = 70879599. Its totient is φ = 66923136.
The previous prime is 68873333. The next prime is 68873417. The reversal of 68873401 is 10437886.
It is a happy number.
The square root of 68873401 is 8299.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 16687225 + 52186176 = 4085^2 + 7224^2 .
It is a de Polignac number, because none of the positive numbers 2k-68873401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68873491) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 356761 + ... + 356953.
It is an arithmetic number, because the mean of its divisors is an integer number (7875511).
Almost surely, 268873401 is an apocalyptic number.
68873401 is the 8299-th square number.
68873401 is the 4150-th centered octagonal number.
It is an amenable number.
68873401 is a deficient number, since it is larger than the sum of its proper divisors (2006198).
68873401 is an frugal number, since it uses more digits than its factorization.
68873401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472 (or 236 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The cubic root of 68873401 is about 409.9055919849.
The spelling of 68873401 in words is "sixty-eight million, eight hundred seventy-three thousand, four hundred one".
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