[go: up one dir, main page]

Search a number
-
+
230230401 = 376743467
BaseRepresentation
bin11011011100100…
…00100110000001
3121001012220201220
431232100212001
5432414333101
634502345253
75463632442
oct1556204601
9531186656
10230230401
11108a60565
126512b229
133891010b
14228112c9
151532b636
hexdb90981

230230401 has 4 divisors (see below), whose sum is σ = 306973872. Its totient is φ = 153486932.

The previous prime is 230230379. The next prime is 230230423. The reversal of 230230401 is 104032032.

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 an interprime number because it is at equal distance from previous prime (230230379) and next prime (230230423).

It is a cyclic number.

It is not a de Polignac number, because 230230401 - 25 = 230230369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230230601) 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, 38371731 + ... + 38371736.

It is an arithmetic number, because the mean of its divisors is an integer number (76743468).

Almost surely, 2230230401 is an apocalyptic number.

It is an amenable number.

230230401 is a deficient number, since it is larger than the sum of its proper divisors (76743471).

230230401 is an equidigital number, since it uses as much as digits as its factorization.

230230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76743470.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230230401 is about 15173.3450827430. The cubic root of 230230401 is about 612.8970861742.

Adding to 230230401 its reverse (104032032), we get a palindrome (334262433).

The spelling of 230230401 in words is "two hundred thirty million, two hundred thirty thousand, four hundred one".

Divisors: 1 3 76743467 230230401