[go: up one dir, main page]

Search a number
-
+
487120513 = 11113391891
BaseRepresentation
bin11101000010001…
…101111010000001
31020221121021201111
4131002031322001
51444200324023
6120200403321
715033312265
oct3502157201
91227537644
10487120513
1122aa6a940
12117176541
1379bc59b9
14489a20a5
152cb7200d
hex1d08de81

487120513 has 8 divisors (see below), whose sum is σ = 536108256. Its totient is φ = 438916800.

The previous prime is 487120507. The next prime is 487120547. The reversal of 487120513 is 315021784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487120513 - 25 = 487120481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487120553) 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 7 ways as a sum of consecutive naturals, for example, 194703 + ... + 197188.

It is an arithmetic number, because the mean of its divisors is an integer number (67013532).

Almost surely, 2487120513 is an apocalyptic number.

It is an amenable number.

487120513 is a deficient number, since it is larger than the sum of its proper divisors (48987743).

487120513 is a wasteful number, since it uses less digits than its factorization.

487120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392015.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 487120513 is about 22070.8068044646. The cubic root of 487120513 is about 786.8261879849.

The spelling of 487120513 in words is "four hundred eighty-seven million, one hundred twenty thousand, five hundred thirteen".

Divisors: 1 11 113 1243 391891 4310801 44283683 487120513