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213270227 = 1317392203
BaseRepresentation
bin11001011011000…
…11111011010011
3112212022020202022
430231203323103
5414044121402
633055042055
75166524042
oct1455437323
9485266668
10213270227
11aa427095
125b51032b
1335252501
1420478559
1513acb2a2
hexcb63ed3

213270227 has 8 divisors (see below), whose sum is σ = 215286720. Its totient is φ = 211259880.

The previous prime is 213270223. The next prime is 213270241. The reversal of 213270227 is 722072312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213270227 - 22 = 213270223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213270196 and 213270205.

It is not an unprimeable number, because it can be changed into a prime (213270221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95708 + ... + 97910.

It is an arithmetic number, because the mean of its divisors is an integer number (26910840).

Almost surely, 2213270227 is an apocalyptic number.

213270227 is a deficient number, since it is larger than the sum of its proper divisors (2016493).

213270227 is a wasteful number, since it uses less digits than its factorization.

213270227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 213270227 is about 14603.7744093779. The cubic root of 213270227 is about 597.4617093510.

The spelling of 213270227 in words is "two hundred thirteen million, two hundred seventy thousand, two hundred twenty-seven".

Divisors: 1 131 739 2203 96809 288593 1628017 213270227