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242144404 = 2271878423
BaseRepresentation
bin11100110111011…
…01010010010100
3121212122012200021
432123231102110
5443442110104
640005554524
76000123235
oct1633552224
9555565607
10242144404
11114758747
1269115a44
133b221c18
142423308c
15163d1754
hexe6ed494

242144404 has 12 divisors (see below), whose sum is σ = 423861984. Its totient is φ = 121040984.

The previous prime is 242144389. The next prime is 242144407. The reversal of 242144404 is 404441242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242144407) 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, 24537 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (35321832).

Almost surely, 2242144404 is an apocalyptic number.

It is an amenable number.

242144404 is a deficient number, since it is larger than the sum of its proper divisors (181717580).

242144404 is a wasteful number, since it uses less digits than its factorization.

242144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614 (or 15612 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 242144404 is about 15560.9898142760. The cubic root of 242144404 is about 623.2918941316.

Adding to 242144404 its reverse (404441242), we get a palindrome (646585646).

The spelling of 242144404 in words is "two hundred forty-two million, one hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 7187 8423 14374 16846 28748 33692 60536101 121072202 242144404