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520283 = 2322621
BaseRepresentation
bin1111111000001011011
3222102200202
41333001123
5113122113
615052415
74264601
oct1770133
9872622
10520283
11325995
1221110b
13152a7a
14d7871
15a4258
hex7f05b

520283 has 4 divisors (see below), whose sum is σ = 542928. Its totient is φ = 497640.

The previous prime is 520279. The next prime is 520291. The reversal of 520283 is 382025.

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

It is a cyclic number.

It is not a de Polignac number, because 520283 - 22 = 520279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520213) 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, 11288 + ... + 11333.

It is an arithmetic number, because the mean of its divisors is an integer number (135732).

2520283 is an apocalyptic number.

520283 is a deficient number, since it is larger than the sum of its proper divisors (22645).

520283 is a wasteful number, since it uses less digits than its factorization.

520283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 520283 is about 721.3064535965. The cubic root of 520283 is about 80.4291005440.

The spelling of 520283 in words is "five hundred twenty thousand, two hundred eighty-three".

Divisors: 1 23 22621 520283