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123330404 = 2230832601
BaseRepresentation
bin1110101100111…
…01111101100100
322121001211111202
413112131331210
5223033033104
620123222032
73025201601
oct726357544
9277054452
10123330404
1163686a5a
1235377918
131c721a92
14125456a8
15ac6251e
hex759df64

123330404 has 6 divisors (see below), whose sum is σ = 215828214. Its totient is φ = 61665200.

The previous prime is 123330401. The next prime is 123330409. The reversal of 123330404 is 404033321.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 18472804 = 10240^2 + 4298^2 .

It is not an unprimeable number, because it can be changed into a prime (123330401) 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, 15416297 + ... + 15416304.

It is an arithmetic number, because the mean of its divisors is an integer number (35971369).

Almost surely, 2123330404 is an apocalyptic number.

It is an amenable number.

123330404 is a deficient number, since it is larger than the sum of its proper divisors (92497810).

123330404 is a wasteful number, since it uses less digits than its factorization.

123330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30832605 (or 30832603 counting only the distinct ones).

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

The square root of 123330404 is about 11105.4222792292. The cubic root of 123330404 is about 497.7638865009.

Adding to 123330404 its reverse (404033321), we get a palindrome (527363725).

The spelling of 123330404 in words is "one hundred twenty-three million, three hundred thirty thousand, four hundred four".

Divisors: 1 2 4 30832601 61665202 123330404