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243144204 = 22320262017
BaseRepresentation
bin11100111111000…
…01011000001100
3121221112000010220
432133201120030
5444221103304
640043231340
76011456142
oct1637413014
9557460126
10243144204
11115280926
1269518550
133b4b2014
1424413592
151652cad9
hexe7e160c

243144204 has 12 divisors (see below), whose sum is σ = 567336504. Its totient is φ = 81048064.

The previous prime is 243144203. The next prime is 243144211. The reversal of 243144204 is 402441342.

It is a happy number.

243144204 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (243144203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130997 + ... + 10131020.

It is an arithmetic number, because the mean of its divisors is an integer number (47278042).

Almost surely, 2243144204 is an apocalyptic number.

It is an amenable number.

243144204 is an abundant number, since it is smaller than the sum of its proper divisors (324192300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243144204 is a wasteful number, since it uses less digits than its factorization.

243144204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262024 (or 20262022 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 243144204 is about 15593.0819275729. The cubic root of 243144204 is about 624.1485613570.

Adding to 243144204 its reverse (402441342), we get a palindrome (645585546).

The spelling of 243144204 in words is "two hundred forty-three million, one hundred forty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 20262017 40524034 60786051 81048068 121572102 243144204