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1224415242 = 232174001357
BaseRepresentation
bin100100011111011…
…0001100000001010
310011022221201221200
41020332301200022
510001422241432
6321255245030
742225233511
oct11076614012
93138851850
101224415242
11579172326
122a2079776
1316689247b
14b8887678
157275ea7c
hex48fb180a

1224415242 has 24 divisors (see below), whose sum is σ = 2808953316. Its totient is φ = 384130176.

The previous prime is 1224415237. The next prime is 1224415243. The reversal of 1224415242 is 2425144221.

It is a happy number.

1224415242 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 415 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1208327121 + 16088121 = 34761^2 + 4011^2 .

It is not an unprimeable number, because it can be changed into a prime (1224415243) 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 11 ways as a sum of consecutive naturals, for example, 2000373 + ... + 2000984.

Almost surely, 21224415242 is an apocalyptic number.

1224415242 is an abundant number, since it is smaller than the sum of its proper divisors (1584538074).

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

1224415242 is a wasteful number, since it uses less digits than its factorization.

1224415242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001382 (or 4001379 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 1224415242 is about 34991.6453171325. The cubic root of 1224415242 is about 1069.8171993888.

Adding to 1224415242 its reverse (2425144221), we get a palindrome (3649559463).

The spelling of 1224415242 in words is "one billion, two hundred twenty-four million, four hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 4001357 8002714 12004071 24008142 36012213 68023069 72024426 136046138 204069207 408138414 612207621 1224415242