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32220230 = 257460289
BaseRepresentation
bin111101011101…
…0010001000110
32020121221211212
41322322101012
531222021410
63110331422
7540603350
oct172722106
966557755
1032220230
1117207599
12a959b72
1368a1733
1443ca0d0
152c66b05
hex1eba446

32220230 has 16 divisors (see below), whose sum is σ = 66281760. Its totient is φ = 11046912.

The previous prime is 32220187. The next prime is 32220241. The reversal of 32220230 is 3202223.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230075 + ... + 230214.

It is an arithmetic number, because the mean of its divisors is an integer number (4142610).

Almost surely, 232220230 is an apocalyptic number.

32220230 is an abundant number, since it is smaller than the sum of its proper divisors (34061530).

32220230 is a wasteful number, since it uses less digits than its factorization.

32220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460303.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 32220230 is about 5676.2866382874. The cubic root of 32220230 is about 318.2068653875.

Adding to 32220230 its reverse (3202223), we get a palindrome (35422453).

The spelling of 32220230 in words is "thirty-two million, two hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 460289 920578 2301445 3222023 4602890 6444046 16110115 32220230