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520024672 = 25151107621
BaseRepresentation
bin11110111111101…
…111001001100000
31100020111222202001
4132333233021200
52031111242142
6123333533344
715613064626
oct3677571140
91306458661
10520024672
112475a4262
121261a4254
138397680b
144d0c9516
15309c15b7
hex1efef260

520024672 has 24 divisors (see below), whose sum is σ = 1030588272. Its totient is φ = 258288000.

The previous prime is 520024667. The next prime is 520024691. The reversal of 520024672 is 276420025.

It is a self number, because there is not a number n which added to its sum of digits gives 520024672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48979 + ... + 58642.

It is an arithmetic number, because the mean of its divisors is an integer number (42941178).

Almost surely, 2520024672 is an apocalyptic number.

It is an amenable number.

520024672 is a deficient number, since it is larger than the sum of its proper divisors (510563600).

520024672 is a wasteful number, since it uses less digits than its factorization.

520024672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107782 (or 107774 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 520024672 is about 22804.0494649525. The cubic root of 520024672 is about 804.1578693815.

Adding to 520024672 its reverse (276420025), we get a palindrome (796444697).

The spelling of 520024672 in words is "five hundred twenty million, twenty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 151 302 604 1208 2416 4832 107621 215242 430484 860968 1721936 3443872 16250771 32501542 65003084 130006168 260012336 520024672