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230331404 = 2257582851
BaseRepresentation
bin11011011101010…
…01010000001100
3121001102001021202
431232221100030
5432431101104
634504445032
75464533062
oct1556512014
9531361252
10230331404
1110901a436
1265179778
1338947094
142283a032
151534b51e
hexdba940c

230331404 has 6 divisors (see below), whose sum is σ = 403079964. Its totient is φ = 115165700.

The previous prime is 230331389. The next prime is 230331421. The reversal of 230331404 is 404133032.

It is a super-2 number, since 2×2303314042 = 106105111337222432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28791422 + ... + 28791429.

It is an arithmetic number, because the mean of its divisors is an integer number (67179994).

Almost surely, 2230331404 is an apocalyptic number.

It is an amenable number.

230331404 is a deficient number, since it is larger than the sum of its proper divisors (172748560).

230331404 is a wasteful number, since it uses less digits than its factorization.

230331404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57582855 (or 57582853 counting only the distinct ones).

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

The square root of 230331404 is about 15176.6730214497. The cubic root of 230331404 is about 612.9866998739.

Adding to 230331404 its reverse (404133032), we get a palindrome (634464436).

The spelling of 230331404 in words is "two hundred thirty million, three hundred thirty-one thousand, four hundred four".

Divisors: 1 2 4 57582851 115165702 230331404