Search a number
-
+
238294404 = 22326619289
BaseRepresentation
bin11100011010000…
…01010110000100
3121121101121110200
432031001112010
5442000410104
635351250500
75622316605
oct1615012604
9547347420
10238294404
11112569127
1267979a30
133a4a470a
142390ddac
1515dc0b39
hexe341584

238294404 has 18 divisors (see below), whose sum is σ = 602355390. Its totient is φ = 79431456.

The previous prime is 238294403. The next prime is 238294417. The reversal of 238294404 is 404492832.

It can be written as a sum of positive squares in only one way, i.e., 159971904 + 78322500 = 12648^2 + 8850^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6619289 = 238294404 / (2 + 3 + 8 + 2 + 9 + 4 + 4 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (238294403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3309609 + ... + 3309680.

Almost surely, 2238294404 is an apocalyptic number.

It is an amenable number.

238294404 is an abundant number, since it is smaller than the sum of its proper divisors (364060986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238294404 is a wasteful number, since it uses less digits than its factorization.

238294404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619299 (or 6619294 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 238294404 is about 15436.7873600695. The cubic root of 238294404 is about 619.9708657833.

The spelling of 238294404 in words is "two hundred thirty-eight million, two hundred ninety-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 6619289 13238578 19857867 26477156 39715734 59573601 79431468 119147202 238294404