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231050135 = 546210027
BaseRepresentation
bin11011100010110…
…00101110010111
3121002202120012102
431301120232113
5433122101020
634532112315
75503615361
oct1561305627
9532676172
10231050135
11109470428
126546569b
1338b39274
1422985d31
151543e475
hexdc58b97

231050135 has 4 divisors (see below), whose sum is σ = 277260168. Its totient is φ = 184840104.

The previous prime is 231050123. The next prime is 231050159. The reversal of 231050135 is 531050132.

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

It is a cyclic number.

It is not a de Polignac number, because 231050135 - 24 = 231050119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23105009 + ... + 23105018.

It is an arithmetic number, because the mean of its divisors is an integer number (69315042).

Almost surely, 2231050135 is an apocalyptic number.

231050135 is a deficient number, since it is larger than the sum of its proper divisors (46210033).

231050135 is an equidigital number, since it uses as much as digits as its factorization.

231050135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46210032.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 231050135 is about 15200.3333845018. Note that the first 4 decimals coincide. The cubic root of 231050135 is about 613.6236300704.

The spelling of 231050135 in words is "two hundred thirty-one million, fifty thousand, one hundred thirty-five".

Divisors: 1 5 46210027 231050135