Search a number
-
+
520542033 = 31139739733
BaseRepresentation
bin11111000001101…
…101011101010001
31100021111021102120
4133001231131101
52031224321113
6123353004453
715620351154
oct3701553521
91307437376
10520542033
11247917a30
121263b3729
1383ac814b
144d1c1c9b
1530a74a23
hex1f06d751

520542033 has 16 divisors (see below), whose sum is σ = 759078336. Its totient is φ = 314677440.

The previous prime is 520542019. The next prime is 520542059. The reversal of 520542033 is 330245025.

It is not a de Polignac number, because 520542033 - 26 = 520541969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520541994 and 520542012.

It is not an unprimeable number, because it can be changed into a prime (520542013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766 + ... + 32967.

It is an arithmetic number, because the mean of its divisors is an integer number (47442396).

Almost surely, 2520542033 is an apocalyptic number.

It is an amenable number.

520542033 is a deficient number, since it is larger than the sum of its proper divisors (238536303).

520542033 is a wasteful number, since it uses less digits than its factorization.

520542033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 520542033 is about 22815.3902662216. The cubic root of 520542033 is about 804.4244605957.

Adding to 520542033 its reverse (330245025), we get a palindrome (850787058).

The spelling of 520542033 in words is "five hundred twenty million, five hundred forty-two thousand, thirty-three".

Divisors: 1 3 11 33 397 1191 4367 13101 39733 119199 437063 1311189 15774001 47322003 173514011 520542033