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221327088 = 2434919391
BaseRepresentation
bin11010011000100…
…10111011110000
3120102110120200120
431030102323300
5423124431323
633543450240
75325151323
oct1514227360
9512416616
10221327088
11103a2a354
1262156980
1336b13798
14215747ba
151466d5e3
hexd312ef0

221327088 has 40 divisors (see below), whose sum is σ = 572987136. Its totient is φ = 73617600.

The previous prime is 221327087. The next prime is 221327173. The reversal of 221327088 is 880723122.

221327088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221327083) 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, 18873 + ... + 28263.

Almost surely, 2221327088 is an apocalyptic number.

It is an amenable number.

221327088 is an abundant number, since it is smaller than the sum of its proper divisors (351660048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221327088 is a wasteful number, since it uses less digits than its factorization.

221327088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 221327088 is about 14877.0658397414. The cubic root of 221327088 is about 604.8924864161.

The spelling of 221327088 in words is "two hundred twenty-one million, three hundred twenty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 491 982 1473 1964 2946 3928 5892 7856 9391 11784 18782 23568 28173 37564 56346 75128 112692 150256 225384 450768 4610981 9221962 13832943 18443924 27665886 36887848 55331772 73775696 110663544 221327088