Base | Representation |
---|---|
bin | 1000100111011… |
… | …10100010010110 |
3 | 12001000012210222 |
4 | 10103232202112 |
5 | 122000431324 |
6 | 11101114342 |
7 | 1535241326 |
oct | 423564226 |
9 | 161005728 |
10 | 72280214 |
11 | 37889216 |
12 | 202589b2 |
13 | 11c89676 |
14 | 9857286 |
15 | 652b55e |
hex | 44ee896 |
72280214 has 8 divisors (see below), whose sum is σ = 113134320. Its totient is φ = 34568776.
The previous prime is 72280211. The next prime is 72280217. The reversal of 72280214 is 41208227.
It is an interprime number because it is at equal distance from previous prime (72280211) and next prime (72280217).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72280211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785609 + ... + 785700.
It is an arithmetic number, because the mean of its divisors is an integer number (14141790).
Almost surely, 272280214 is an apocalyptic number.
72280214 is a deficient number, since it is larger than the sum of its proper divisors (40854106).
72280214 is a wasteful number, since it uses less digits than its factorization.
72280214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1571334.
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 72280214 is about 8501.7771083462. Note that the first 3 decimals coincide. The cubic root of 72280214 is about 416.5557591392. Note that the first 3 decimals are identical.
The spelling of 72280214 in words is "seventy-two million, two hundred eighty thousand, two hundred fourteen".
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