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235120201 = 1777132313
BaseRepresentation
bin11100000001110…
…10011001001001
3121101102100021121
432000322121021
5440142321301
635155235241
75553326431
oct1600723111
9541370247
10235120201
111107a0318
12668a8b21
13399329a4
14233252c1
15159953a1
hexe03a649

235120201 has 4 divisors (see below), whose sum is σ = 235254292. Its totient is φ = 234986112.

The previous prime is 235120187. The next prime is 235120211. The reversal of 235120201 is 102021532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84198976 + 150921225 = 9176^2 + 12285^2 .

It is a cyclic number.

It is not a de Polignac number, because 235120201 - 27 = 235120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64380 + ... + 67933.

It is an arithmetic number, because the mean of its divisors is an integer number (58813573).

Almost surely, 2235120201 is an apocalyptic number.

It is an amenable number.

235120201 is a deficient number, since it is larger than the sum of its proper divisors (134091).

235120201 is a wasteful number, since it uses less digits than its factorization.

235120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134090.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 235120201 is about 15333.6297398887. The cubic root of 235120201 is about 617.2057756797.

Adding to 235120201 its reverse (102021532), we get a palindrome (337141733).

The spelling of 235120201 in words is "two hundred thirty-five million, one hundred twenty thousand, two hundred one".

Divisors: 1 1777 132313 235120201