Base | Representation |
---|---|
bin | 11011000101100… |
… | …10111001011101 |
3 | 120211120020100110 |
4 | 31202302321131 |
5 | 431132201211 |
6 | 34314120233 |
7 | 5426245041 |
oct | 1542627135 |
9 | 524506313 |
10 | 227225181 |
11 | 107298707 |
12 | 64120079 |
13 | 380ca291 |
14 | 2226c021 |
15 | 14e35ea6 |
hex | d8b2e5d |
227225181 has 8 divisors (see below), whose sum is σ = 304326400. Its totient is φ = 150803712.
The previous prime is 227225171. The next prime is 227225191. The reversal of 227225181 is 181522722.
It is an interprime number because it is at equal distance from previous prime (227225171) and next prime (227225191).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 227225181 - 210 = 227224157 is a prime.
It is a super-3 number, since 3×2272251813 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227225171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169156 + ... + 170493.
It is an arithmetic number, because the mean of its divisors is an integer number (38040800).
Almost surely, 2227225181 is an apocalyptic number.
It is an amenable number.
227225181 is a deficient number, since it is larger than the sum of its proper divisors (77101219).
227225181 is a wasteful number, since it uses less digits than its factorization.
227225181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339875.
The product of its digits is 4480, while the sum is 30.
The square root of 227225181 is about 15073.9902149365. The cubic root of 227225181 is about 610.2186629856.
The spelling of 227225181 in words is "two hundred twenty-seven million, two hundred twenty-five thousand, one hundred eighty-one".
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