Search a number
-
+
520229983 = 7135716813
BaseRepresentation
bin11111000000100…
…001010001011111
31100020220102101011
4133000201101133
52031134324413
6123342200051
715614611330
oct3700412137
91306812334
10520229983
11247724539
12126283027
1383a190c0
144d140287
1530a1233d
hex1f02145f

520229983 has 8 divisors (see below), whose sum is σ = 640283168. Its totient is φ = 411610464.

The previous prime is 520229977. The next prime is 520229989. The reversal of 520229983 is 389922025.

It is an interprime number because it is at equal distance from previous prime (520229977) and next prime (520229989).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-520229983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520229989) 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, 2858316 + ... + 2858497.

It is an arithmetic number, because the mean of its divisors is an integer number (80035396).

Almost surely, 2520229983 is an apocalyptic number.

520229983 is a deficient number, since it is larger than the sum of its proper divisors (120053185).

520229983 is a wasteful number, since it uses less digits than its factorization.

520229983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716833.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 520229983 is about 22808.5506554011. The cubic root of 520229983 is about 804.2636853437.

The spelling of 520229983 in words is "five hundred twenty million, two hundred twenty-nine thousand, nine hundred eighty-three".

Divisors: 1 7 13 91 5716813 40017691 74318569 520229983