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220132149 = 32310929269
BaseRepresentation
bin11010001111011…
…11001100110101
3120100012212112120
431013233030311
5422323212044
633502110153
75312043456
oct1507571465
9510185476
10220132149
111032935a6
126187b359
13367b5913
142134312d
15144d4519
hexd1ef335

220132149 has 16 divisors (see below), whose sum is σ = 309091200. Its totient is φ = 139081536.

The previous prime is 220132123. The next prime is 220132151. The reversal of 220132149 is 941231022.

It is not a de Polignac number, because 220132149 - 215 = 220099381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220132189) 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 15 ways as a sum of consecutive naturals, for example, 7114 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (19318200).

Almost surely, 2220132149 is an apocalyptic number.

It is an amenable number.

220132149 is a deficient number, since it is larger than the sum of its proper divisors (88959051).

220132149 is a wasteful number, since it uses less digits than its factorization.

220132149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29404.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 220132149 is about 14836.8510473078. The cubic root of 220132149 is about 603.8019219864.

The spelling of 220132149 in words is "two hundred twenty million, one hundred thirty-two thousand, one hundred forty-nine".

Divisors: 1 3 23 69 109 327 2507 7521 29269 87807 673187 2019561 3190321 9570963 73377383 220132149