Base | Representation |
---|---|
bin | 1001010101011… |
… | …11101011011001 |
3 | 12110100202212222 |
4 | 10222233223121 |
5 | 130022023301 |
6 | 11434313425 |
7 | 1640442200 |
oct | 452575331 |
9 | 173322788 |
10 | 78314201 |
11 | 4022a689 |
12 | 22288875 |
13 | 132bcc84 |
14 | a588237 |
15 | 6d1e31b |
hex | 4aafad9 |
78314201 has 12 divisors (see below), whose sum is σ = 92257920. Its totient is φ = 66273480.
The previous prime is 78314147. The next prime is 78314221. The reversal of 78314201 is 10241387.
It is a de Polignac number, because none of the positive numbers 2k-78314201 is a prime.
It is a super-2 number, since 2×783142012 = 12266228156536802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78314221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6245 + ... + 13986.
It is an arithmetic number, because the mean of its divisors is an integer number (7688160).
Almost surely, 278314201 is an apocalyptic number.
It is an amenable number.
78314201 is a deficient number, since it is larger than the sum of its proper divisors (13943719).
78314201 is a wasteful number, since it uses less digits than its factorization.
78314201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20324 (or 20317 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 78314201 is about 8849.5311175226. The cubic root of 78314201 is about 427.8388062303.
Adding to 78314201 its reverse (10241387), we get a palindrome (88555588).
The spelling of 78314201 in words is "seventy-eight million, three hundred fourteen thousand, two hundred one".
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