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202230404 = 2253953917
BaseRepresentation
bin11000000110111…
…00101010000100
3112002112100221222
430003130222010
5403232333104
632022255512
75003634005
oct1403345204
9462470858
10202230404
11a4176772
1257887598
1332b8857c
141cc031ac
1512b4a1be
hexc0dca84

202230404 has 12 divisors (see below), whose sum is σ = 360581004. Its totient is φ = 99207264.

The previous prime is 202230401. The next prime is 202230407. The reversal of 202230404 is 404032202.

It is an interprime number because it is at equal distance from previous prime (202230401) and next prime (202230407).

It can be written as a sum of positive squares in 2 ways, for example, as 115777600 + 86452804 = 10760^2 + 9298^2 .

It is not an unprimeable number, because it can be changed into a prime (202230401) 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 3 ways as a sum of consecutive naturals, for example, 476747 + ... + 477170.

It is an arithmetic number, because the mean of its divisors is an integer number (30048417).

Almost surely, 2202230404 is an apocalyptic number.

It is an amenable number.

202230404 is a deficient number, since it is larger than the sum of its proper divisors (158350600).

202230404 is a wasteful number, since it uses less digits than its factorization.

202230404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953974 (or 953972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202230404 is about 14220.7736779684. The cubic root of 202230404 is about 586.9694297846.

Adding to 202230404 its reverse (404032202), we get a palindrome (606262606).

The spelling of 202230404 in words is "two hundred two million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 4 53 106 212 953917 1907834 3815668 50557601 101115202 202230404