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518413 = 7312389
BaseRepresentation
bin1111110100100001101
3222100010111
41332210031
5113042123
615040021
74256260
oct1764415
9870114
10518413
11324545
12210011
13151c6c
14d6cd7
15a390d
hex7e90d

518413 has 8 divisors (see below), whose sum is σ = 611840. Its totient is φ = 429840.

The previous prime is 518411. The next prime is 518417. The reversal of 518413 is 314815.

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 518413 - 21 = 518411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (76480).

2518413 is an apocalyptic number.

It is an amenable number.

518413 is a deficient number, since it is larger than the sum of its proper divisors (93427).

518413 is a wasteful number, since it uses less digits than its factorization.

518413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427.

The product of its digits is 480, while the sum is 22.

The square root of 518413 is about 720.0090277212. The cubic root of 518413 is about 80.3326255033.

It can be divided in two parts, 51 and 8413, that added together give a square (8464 = 922).

The spelling of 518413 in words is "five hundred eighteen thousand, four hundred thirteen".

Divisors: 1 7 31 217 2389 16723 74059 518413