Search a number
-
+
520242411 = 31313339549
BaseRepresentation
bin11111000000100…
…100010011101011
31100020221001102110
4133000210103223
52031140224121
6123342333403
715614662503
oct3700442353
91306831373
10520242411
11247732907
1212628a263
1383a21960
144d144a03
1530a15d76
hex1f0244eb

520242411 has 8 divisors (see below), whose sum is σ = 747014800. Its totient is φ = 320149152.

The previous prime is 520242409. The next prime is 520242421. The reversal of 520242411 is 114242025.

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

It is not a de Polignac number, because 520242411 - 21 = 520242409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520242421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6669736 + ... + 6669813.

It is an arithmetic number, because the mean of its divisors is an integer number (93376850).

Almost surely, 2520242411 is an apocalyptic number.

520242411 is a deficient number, since it is larger than the sum of its proper divisors (226772389).

520242411 is a wasteful number, since it uses less digits than its factorization.

520242411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339565.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 520242411 is about 22808.8230954602. The cubic root of 520242411 is about 804.2700897609.

Adding to 520242411 its reverse (114242025), we get a palindrome (634484436).

The spelling of 520242411 in words is "five hundred twenty million, two hundred forty-two thousand, four hundred eleven".

Divisors: 1 3 13 39 13339549 40018647 173414137 520242411