Search a number
-
+
520222053 = 31323472957
BaseRepresentation
bin11111000000011…
…111010101100101
31100020220000111110
4133000133111211
52031134101203
6123342055233
715614546241
oct3700372545
91306800443
10520222053
1124771958a
1212627a519
1383a15600
144d13b421
1530a0ed03
hex1f01f565

520222053 has 24 divisors (see below), whose sum is σ = 753509088. Its totient is φ = 319106112.

The previous prime is 520221983. The next prime is 520222061. The reversal of 520222053 is 350222025.

It is not a de Polignac number, because 520222053 - 222 = 516027749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520222453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174451 + ... + 177407.

It is an arithmetic number, because the mean of its divisors is an integer number (31396212).

Almost surely, 2520222053 is an apocalyptic number.

It is an amenable number.

520222053 is a deficient number, since it is larger than the sum of its proper divisors (233287035).

520222053 is a wasteful number, since it uses less digits than its factorization.

520222053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 520222053 is about 22808.3768164243. The cubic root of 520222053 is about 804.2595987899.

Adding to 520222053 its reverse (350222025), we get a palindrome (870444078).

The spelling of 520222053 in words is "five hundred twenty million, two hundred twenty-two thousand, fifty-three".

Divisors: 1 3 13 39 169 347 507 1041 2957 4511 8871 13533 38441 58643 115323 175929 499733 1026079 1499199 3078237 13339027 40017081 173407351 520222053