Search a number
-
+
230541005 = 5131351971
BaseRepresentation
bin11011011110111…
…00011011001101
3121001210200210202
431233130123031
5433004303010
634513143245
75466365132
oct1557343315
9531720722
10230541005
11109152962
126525ab25
13389bb5c6
1422892589
151538d6a5
hexdbdc6cd

230541005 has 8 divisors (see below), whose sum is σ = 278761824. Its totient is φ = 183024400.

The previous prime is 230540977. The next prime is 230541007. The reversal of 230541005 is 500145032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230541005 - 226 = 163432141 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 (230541007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175331 + ... + 176640.

It is an arithmetic number, because the mean of its divisors is an integer number (34845228).

Almost surely, 2230541005 is an apocalyptic number.

It is an amenable number.

230541005 is a deficient number, since it is larger than the sum of its proper divisors (48220819).

230541005 is a wasteful number, since it uses less digits than its factorization.

230541005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352107.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 230541005 is about 15183.5768183916. The cubic root of 230541005 is about 613.1725822876.

Adding to 230541005 its reverse (500145032), we get a palindrome (730686037).

The spelling of 230541005 in words is "two hundred thirty million, five hundred forty-one thousand, five".

Divisors: 1 5 131 655 351971 1759855 46108201 230541005