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204412430 = 25157130199
BaseRepresentation
bin11000010111100…
…01011000001110
3112020122020010202
430023301120032
5404312144210
632141133502
75031322415
oct1413613016
9466566122
10204412430
11a54270a2
125855a292
1333470801
141d21047c
1512e2b9a5
hexc2f160e

204412430 has 16 divisors (see below), whose sum is σ = 370288800. Its totient is φ = 81243552.

The previous prime is 204412409. The next prime is 204412433. The reversal of 204412430 is 34214402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204412433) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 63530 + ... + 66669.

It is an arithmetic number, because the mean of its divisors is an integer number (23143050).

Almost surely, 2204412430 is an apocalyptic number.

204412430 is a deficient number, since it is larger than the sum of its proper divisors (165876370).

204412430 is a wasteful number, since it uses less digits than its factorization.

204412430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130363.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204412430 is about 14297.2875049780. The cubic root of 204412430 is about 589.0729768345.

Adding to 204412430 its reverse (34214402), we get a palindrome (238626832).

The spelling of 204412430 in words is "two hundred four million, four hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 157 314 785 1570 130199 260398 650995 1301990 20441243 40882486 102206215 204412430