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230131741 = 732875963
BaseRepresentation
bin11011011011110…
…00100000011101
3121001000220101211
431231320200131
5432403203431
634500304421
75463042010
oct1555704035
9531026354
10230131741
111089a3424
12650a2111
13388a7238
14227c7377
151530c2b1
hexdb7881d

230131741 has 4 divisors (see below), whose sum is σ = 263007712. Its totient is φ = 197255772.

The previous prime is 230131739. The next prime is 230131753. The reversal of 230131741 is 147131032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 230131741 - 21 = 230131739 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 (230131241) 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, 16437975 + ... + 16437988.

It is an arithmetic number, because the mean of its divisors is an integer number (65751928).

Almost surely, 2230131741 is an apocalyptic number.

It is an amenable number.

230131741 is a deficient number, since it is larger than the sum of its proper divisors (32875971).

230131741 is an equidigital number, since it uses as much as digits as its factorization.

230131741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32875970.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 230131741 is about 15170.0936384717. The cubic root of 230131741 is about 612.8095259653.

Adding to 230131741 its reverse (147131032), we get a palindrome (377262773).

The spelling of 230131741 in words is "two hundred thirty million, one hundred thirty-one thousand, seven hundred forty-one".

Divisors: 1 7 32875963 230131741