Search a number
-
+
230524421 = 673440663
BaseRepresentation
bin11011011110110…
…00011000000101
3121001202212001112
431233120120011
5433003240141
634512534405
75466265601
oct1557303005
9531685045
10230524421
11109141456
1265251405
13389b3baa
142288a501
15153887eb
hexdbd8605

230524421 has 4 divisors (see below), whose sum is σ = 233965152. Its totient is φ = 227083692.

The previous prime is 230524391. The next prime is 230524439. The reversal of 230524421 is 124425032.

It is a happy number.

230524421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230524421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230524121) 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, 1720265 + ... + 1720398.

It is an arithmetic number, because the mean of its divisors is an integer number (58491288).

Almost surely, 2230524421 is an apocalyptic number.

It is an amenable number.

230524421 is a deficient number, since it is larger than the sum of its proper divisors (3440731).

230524421 is an equidigital number, since it uses as much as digits as its factorization.

230524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440730.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 230524421 is about 15183.0306921905. The cubic root of 230524421 is about 613.1578790494.

Adding to 230524421 its reverse (124425032), we get a palindrome (354949453).

The spelling of 230524421 in words is "two hundred thirty million, five hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 67 3440663 230524421