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424502540 = 225711275651
BaseRepresentation
bin11001010011010…
…110010100001100
31002120202222000022
4121103112110030
51332133040130
6110042321312
713343132510
oct3123262414
91076688008
10424502540
111a8691050
12ba1b9238
1369c40247
1440542140
15274037e5
hex194d650c

424502540 has 48 divisors (see below), whose sum is σ = 1111428864. Its totient is φ = 132312000.

The previous prime is 424502537. The next prime is 424502549. The reversal of 424502540 is 45205424.

It is not an unprimeable number, because it can be changed into a prime (424502549) 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 15 ways as a sum of consecutive naturals, for example, 136286 + ... + 139365.

It is an arithmetic number, because the mean of its divisors is an integer number (23154768).

Almost surely, 2424502540 is an apocalyptic number.

It is an amenable number.

424502540 is an abundant number, since it is smaller than the sum of its proper divisors (686926324).

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

424502540 is a wasteful number, since it uses less digits than its factorization.

424502540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275678 (or 275676 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 424502540 is about 20603.4594182627. The cubic root of 424502540 is about 751.5538392955.

Adding to 424502540 its reverse (45205424), we get a palindrome (469707964).

The spelling of 424502540 in words is "four hundred twenty-four million, five hundred two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 275651 551302 1102604 1378255 1929557 2756510 3032161 3859114 5513020 6064322 7718228 9647785 12128644 15160805 19295570 21225127 30321610 38591140 42450254 60643220 84900508 106125635 212251270 424502540