Search a number
-
+
520855130 = 25437731567
BaseRepresentation
bin11111000010111…
…001111001011010
31100022002011220202
4133002321321122
52031314331010
6123403422202
715623124035
oct3702717132
91308064822
10520855130
11248011194
12126524962
1383ba7803
144d26401c
1530ad76a5
hex1f0b9e5a

520855130 has 32 divisors (see below), whose sum is σ = 961196544. Its totient is φ = 203103936.

The previous prime is 520855121. The next prime is 520855133. The reversal of 520855130 is 31558025.

It is a junction number, because it is equal to n+sod(n) for n = 520855093 and 520855102.

It is not an unprimeable number, because it can be changed into a prime (520855133) 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 in 15 ways as a sum of consecutive naturals, for example, 331607 + ... + 333173.

It is an arithmetic number, because the mean of its divisors is an integer number (30037392).

Almost surely, 2520855130 is an apocalyptic number.

520855130 is a deficient number, since it is larger than the sum of its proper divisors (440341414).

520855130 is a wasteful number, since it uses less digits than its factorization.

520855130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 520855130 is about 22822.2507654263. The cubic root of 520855130 is about 804.5857107216.

The spelling of 520855130 in words is "five hundred twenty million, eight hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 773 1546 1567 3134 3865 7730 7835 15670 33239 66478 67381 134762 166195 332390 336905 673810 1211291 2422582 6056455 12112910 52085513 104171026 260427565 520855130