Base | Representation |
---|---|
bin | 1111111010000… |
… | …10101010100110 |
3 | 100022002120022020 |
4 | 13331002222212 |
5 | 233130122324 |
6 | 21124044010 |
7 | 3210145233 |
oct | 775025246 |
9 | 308076266 |
10 | 133442214 |
11 | 69363124 |
12 | 38833606 |
13 | 218524b9 |
14 | 13a1878a |
15 | baad679 |
hex | 7f42aa6 |
133442214 has 32 divisors (see below), whose sum is σ = 283098240. Its totient is φ = 41788032.
The previous prime is 133442209. The next prime is 133442219. The reversal of 133442214 is 412244331.
It is an interprime number because it is at equal distance from previous prime (133442209) and next prime (133442219).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133442219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86857 + ... + 88379.
It is an arithmetic number, because the mean of its divisors is an integer number (8846820).
Almost surely, 2133442214 is an apocalyptic number.
133442214 is an abundant number, since it is smaller than the sum of its proper divisors (149656026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133442214 is a wasteful number, since it uses less digits than its factorization.
133442214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2404.
The product of its digits is 2304, while the sum is 24.
The square root of 133442214 is about 11551.7190928450. The cubic root of 133442214 is about 511.0119775635.
Adding to 133442214 its reverse (412244331), we get a palindrome (545686545).
The spelling of 133442214 in words is "one hundred thirty-three million, four hundred forty-two thousand, two hundred fourteen".
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