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201322230 = 23510916151
BaseRepresentation
bin10111111111111…
…10111011110110
3112000211020011220
423333332323312
5403014302410
631551011210
74663132164
oct1377767366
9460736156
10201322230
11a370640a
1257509b06
133292b0a5
141ca48234
1512a1b070
hexbffeef6

201322230 has 32 divisors (see below), whose sum is σ = 483694848. Its totient is φ = 53628000.

The previous prime is 201322223. The next prime is 201322301. The reversal of 201322230 is 32223102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29655 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (15115464).

Almost surely, 2201322230 is an apocalyptic number.

201322230 is an abundant number, since it is smaller than the sum of its proper divisors (282372618).

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

201322230 is a wasteful number, since it uses less digits than its factorization.

201322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 201322230 is about 14188.8065037198. The cubic root of 201322230 is about 586.0894593318.

Adding to 201322230 its reverse (32223102), we get a palindrome (233545332).

The spelling of 201322230 in words is "two hundred one million, three hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1091 2182 3273 5455 6151 6546 10910 12302 16365 18453 30755 32730 36906 61510 92265 184530 6710741 13421482 20132223 33553705 40264446 67107410 100661115 201322230