Search a number
-
+
230541955 = 576586913
BaseRepresentation
bin11011011110111…
…00101010000011
3121001210202002221
431233130222003
5433004320310
634513151511
75466400660
oct1557345203
9531722087
10230541955
11109153646
126525b597
13389bbb77
1422892a67
151538dada
hexdbdca83

230541955 has 8 divisors (see below), whose sum is σ = 316171872. Its totient is φ = 158085888.

The previous prime is 230541929. The next prime is 230541959. The reversal of 230541955 is 559145032.

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

It is a cyclic number.

It is not a de Polignac number, because 230541955 - 25 = 230541923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230541955.

It is not an unprimeable number, because it can be changed into a prime (230541959) 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, 3293422 + ... + 3293491.

It is an arithmetic number, because the mean of its divisors is an integer number (39521484).

Almost surely, 2230541955 is an apocalyptic number.

230541955 is a deficient number, since it is larger than the sum of its proper divisors (85629917).

230541955 is an equidigital number, since it uses as much as digits as its factorization.

230541955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586925.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 230541955 is about 15183.6081021607. The cubic root of 230541955 is about 613.1734245285.

Adding to 230541955 its reverse (559145032), we get a palindrome (789686987).

The spelling of 230541955 in words is "two hundred thirty million, five hundred forty-one thousand, nine hundred fifty-five".

Divisors: 1 5 7 35 6586913 32934565 46108391 230541955