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424240454 = 211167115471
BaseRepresentation
bin11001010010010…
…110010101000110
31002120021122111102
4121102112111012
51332101143304
6110032540102
713340661431
oct3122262506
91076248442
10424240454
111a8522150
12ba0b1632
1369b7ab71
14404b4818
15273a0d1e
hex19496546

424240454 has 16 divisors (see below), whose sum is σ = 698374656. Its totient is φ = 191680200.

The previous prime is 424240447. The next prime is 424240459. The reversal of 424240454 is 454042424.

It is a super-2 number, since 2×4242404542 = 359959925620252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424240459) 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, 54062 + ... + 61409.

It is an arithmetic number, because the mean of its divisors is an integer number (43648416).

Almost surely, 2424240454 is an apocalyptic number.

424240454 is a deficient number, since it is larger than the sum of its proper divisors (274134202).

424240454 is a wasteful number, since it uses less digits than its factorization.

424240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115651.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 424240454 is about 20597.0981936777. The cubic root of 424240454 is about 751.3991387764.

Adding to 424240454 its reverse (454042424), we get a palindrome (878282878).

The spelling of 424240454 in words is "four hundred twenty-four million, two hundred forty thousand, four hundred fifty-four".

Divisors: 1 2 11 22 167 334 1837 3674 115471 230942 1270181 2540362 19283657 38567314 212120227 424240454