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518980396 = 221111795009
BaseRepresentation
bin11110111011110…
…000001100101100
31100011112221021011
4132323300030230
52030324333041
6123255315004
715601155244
oct3673601454
91304487234
10518980396
11246a50720
1212597ba64
138369c3bc
144ccd6b24
1530866e81
hex1eef032c

518980396 has 12 divisors (see below), whose sum is σ = 990780840. Its totient is φ = 235900160.

The previous prime is 518980391. The next prime is 518980409. The reversal of 518980396 is 693089815.

It is not an unprimeable number, because it can be changed into a prime (518980391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5897461 + ... + 5897548.

It is an arithmetic number, because the mean of its divisors is an integer number (82565070).

Almost surely, 2518980396 is an apocalyptic number.

It is an amenable number.

518980396 is a deficient number, since it is larger than the sum of its proper divisors (471800444).

518980396 is a wasteful number, since it uses less digits than its factorization.

518980396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795024 (or 11795022 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 518980396 is about 22781.1412356800. The cubic root of 518980396 is about 803.6192247406.

The spelling of 518980396 in words is "five hundred eighteen million, nine hundred eighty thousand, three hundred ninety-six".

Divisors: 1 2 4 11 22 44 11795009 23590018 47180036 129745099 259490198 518980396