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230403412 = 2257600853
BaseRepresentation
bin11011011101110…
…10110101010100
3121001112201001201
431232322311110
5432440402122
634510202244
75465253031
oct1556726524
9531481051
10230403412
11109069548
12651b3384
1338970aa5
1422858388
1515362a27
hexdbbad54

230403412 has 6 divisors (see below), whose sum is σ = 403205978. Its totient is φ = 115201704.

The previous prime is 230403401. The next prime is 230403413. The reversal of 230403412 is 214304032.

It can be written as a sum of positive squares in only one way, i.e., 223921296 + 6482116 = 14964^2 + 2546^2 .

It is a super-2 number, since 2×2304034122 = 106171464522483488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230403412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230403413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28800423 + ... + 28800430.

Almost surely, 2230403412 is an apocalyptic number.

It is an amenable number.

230403412 is a deficient number, since it is larger than the sum of its proper divisors (172802566).

230403412 is a wasteful number, since it uses less digits than its factorization.

230403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57600857 (or 57600855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230403412 is about 15179.0451610106. The cubic root of 230403412 is about 613.0505721126.

Adding to 230403412 its reverse (214304032), we get a palindrome (444707444).

The spelling of 230403412 in words is "two hundred thirty million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 4 57600853 115201706 230403412