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513080086 = 2256540043
BaseRepresentation
bin11110100101001…
…111101100010110
31022202110011120011
4132211033230112
52022322030321
6122525030434
715500052211
oct3645175426
91282404504
10513080086
11243690732
121239b541a
13823b48ac
144c1dc778
153009dae1
hex1e94fb16

513080086 has 4 divisors (see below), whose sum is σ = 769620132. Its totient is φ = 256540042.

The previous prime is 513080081. The next prime is 513080137. The reversal of 513080086 is 680080315.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513080081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128270020 + ... + 128270023.

It is an arithmetic number, because the mean of its divisors is an integer number (192405033).

Almost surely, 2513080086 is an apocalyptic number.

513080086 is a deficient number, since it is larger than the sum of its proper divisors (256540046).

513080086 is a wasteful number, since it uses less digits than its factorization.

513080086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256540045.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 513080086 is about 22651.2711784571. The cubic root of 513080086 is about 800.5621496838.

The spelling of 513080086 in words is "five hundred thirteen million, eighty thousand, eighty-six".

Divisors: 1 2 256540043 513080086