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221088201 = 3190138767
BaseRepresentation
bin11010010110110…
…00100111001001
3120102000102222220
431023120213021
5423044310301
633534404253
75323135005
oct1513304711
9512012886
10221088201
11103886924
1262060689
1336a5bb29
1421511705
1514622936
hexd2d89c9

221088201 has 8 divisors (see below), whose sum is σ = 294946944. Its totient is φ = 147310800.

The previous prime is 221088173. The next prime is 221088223. The reversal of 221088201 is 102880122.

221088201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221088201 - 211 = 221086153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221088701) 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, 13681 + ... + 25086.

It is an arithmetic number, because the mean of its divisors is an integer number (36868368).

Almost surely, 2221088201 is an apocalyptic number.

It is an amenable number.

221088201 is a deficient number, since it is larger than the sum of its proper divisors (73858743).

221088201 is a wasteful number, since it uses less digits than its factorization.

221088201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40671.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 221088201 is about 14869.0349720485. The cubic root of 221088201 is about 604.6747800154.

The spelling of 221088201 in words is "two hundred twenty-one million, eighty-eight thousand, two hundred one".

Divisors: 1 3 1901 5703 38767 116301 73696067 221088201