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221114140 = 22513850439
BaseRepresentation
bin11010010110111…
…10111100011100
3120102001202120121
431023132330130
5423101123030
633535124324
75323303432
oct1513367434
9512052517
10221114140
111038a4365
12620736a4
1336a6a890
142151ad52
151462a47a
hexd2def1c

221114140 has 24 divisors (see below), whose sum is σ = 500058720. Its totient is φ = 81642048.

The previous prime is 221114129. The next prime is 221114141. The reversal of 221114140 is 41411122.

It is a happy number.

221114140 is digitally balanced in base 3, 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 (221114141) 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, 424960 + ... + 425479.

It is an arithmetic number, because the mean of its divisors is an integer number (20835780).

Almost surely, 2221114140 is an apocalyptic number.

221114140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221114140 is an abundant number, since it is smaller than the sum of its proper divisors (278944580).

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

221114140 is a wasteful number, since it uses less digits than its factorization.

221114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850461 (or 850459 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 221114140 is about 14869.9071954064. The cubic root of 221114140 is about 604.6984267556.

Adding to 221114140 its reverse (41411122), we get a palindrome (262525262).

The spelling of 221114140 in words is "two hundred twenty-one million, one hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 850439 1700878 3401756 4252195 8504390 11055707 17008780 22111414 44222828 55278535 110557070 221114140