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304332401 = 7340910193
BaseRepresentation
bin10010001000111…
…011111001110001
3210012122200120102
4102020323321301
51110402114101
650110522145
710353532322
oct2210737161
9705580512
10304332401
1114687348a
1285b06355
134b086a59
142c5c0449
151bab786b
hex1223be71

304332401 has 8 divisors (see below), whose sum is σ = 309285960. Its totient is φ = 299400192.

The previous prime is 304332397. The next prime is 304332403. The reversal of 304332401 is 104233403.

It can be written as a sum of positive squares in 4 ways, for example, as 151167025 + 153165376 = 12295^2 + 12376^2 .

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 304332401 - 22 = 304332397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304332403) 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, 24761 + ... + 34953.

It is an arithmetic number, because the mean of its divisors is an integer number (38660745).

Almost surely, 2304332401 is an apocalyptic number.

It is an amenable number.

304332401 is a deficient number, since it is larger than the sum of its proper divisors (4953559).

304332401 is a wasteful number, since it uses less digits than its factorization.

304332401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 304332401 is about 17445.1254223064. The cubic root of 304332401 is about 672.6400631416.

Adding to 304332401 its reverse (104233403), we get a palindrome (408565804).

The spelling of 304332401 in words is "three hundred four million, three hundred thirty-two thousand, four hundred one".

Divisors: 1 73 409 10193 29857 744089 4168937 304332401