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518089056 = 2539975413
BaseRepresentation
bin11110111000010…
…110100101100000
31100002212122120120
4132320112211200
52030112322211
6123224240240
715560453502
oct3670264540
91302778516
10518089056
112464a1a81
12125610080
1383449794
144cb43d72
153073cd06
hex1ee16960

518089056 has 48 divisors (see below), whose sum is σ = 1361599344. Its totient is φ = 172491264.

The previous prime is 518089049. The next prime is 518089057. The reversal of 518089056 is 650980815.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×5180890562 = 536832539893942272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 518088999 and 518089017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518089057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93006 + ... + 98418.

It is an arithmetic number, because the mean of its divisors is an integer number (28366653).

Almost surely, 2518089056 is an apocalyptic number.

It is an amenable number.

518089056 is an abundant number, since it is smaller than the sum of its proper divisors (843510288).

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

518089056 is a wasteful number, since it uses less digits than its factorization.

518089056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 518089056 is about 22761.5697173987. The cubic root of 518089056 is about 803.1588936546.

The spelling of 518089056 in words is "five hundred eighteen million, eighty-nine thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 997 1994 2991 3988 5413 5982 7976 10826 11964 15952 16239 21652 23928 31904 32478 43304 47856 64956 86608 95712 129912 173216 259824 519648 5396761 10793522 16190283 21587044 32380566 43174088 64761132 86348176 129522264 172696352 259044528 518089056