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230051135 = 5476611481
BaseRepresentation
bin11011011011001…
…00110100111111
3121000212210211102
431231210310333
5432343114020
634454443315
75462255006
oct1555446477
9530783742
10230051135
11108948906
126506353b
1338879642
14227a5c3d
15152e3475
hexdb64d3f

230051135 has 16 divisors (see below), whose sum is σ = 282552192. Its totient is φ = 179731200.

The previous prime is 230051131. The next prime is 230051167. The reversal of 230051135 is 531150032.

It is not a de Polignac number, because 230051135 - 22 = 230051131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230051131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154595 + ... + 156075.

It is an arithmetic number, because the mean of its divisors is an integer number (17659512).

Almost surely, 2230051135 is an apocalyptic number.

230051135 is a deficient number, since it is larger than the sum of its proper divisors (52501057).

230051135 is a wasteful number, since it uses less digits than its factorization.

230051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

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

The square root of 230051135 is about 15167.4366654356. The cubic root of 230051135 is about 612.7379700053.

It can be divided in two parts, 2300 and 51135, that added together give a palindrome (53435).

The spelling of 230051135 in words is "two hundred thirty million, fifty-one thousand, one hundred thirty-five".

Divisors: 1 5 47 235 661 1481 3305 7405 31067 69607 155335 348035 978941 4894705 46010227 230051135