Search a number
-
+
520202330 = 25198930763
BaseRepresentation
bin11111000000011…
…010100001011010
31100020212000102222
4133000122201122
52031132433310
6123341424042
715614434604
oct3700324132
91306760388
10520202330
1124770578a
1212626b022
1383a0963b
144d134174
1530a09055
hex1f01a85a

520202330 has 32 divisors (see below), whose sum is σ = 996753600. Its totient is φ = 194908032.

The previous prime is 520202321. The next prime is 520202369. The reversal of 520202330 is 33202025.

It is a super-2 number, since 2×5202023302 = 541220928274857800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520202299 and 520202308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (31148550).

Almost surely, 2520202330 is an apocalyptic number.

520202330 is a deficient number, since it is larger than the sum of its proper divisors (476551270).

520202330 is a wasteful number, since it uses less digits than its factorization.

520202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30878.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 520202330 is about 22807.9444492484. The cubic root of 520202330 is about 804.2494347888.

Adding to 520202330 its reverse (33202025), we get a palindrome (553404355).

The spelling of 520202330 in words is "five hundred twenty million, two hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 89 95 178 190 445 890 1691 3382 8455 16910 30763 61526 153815 307630 584497 1168994 2737907 2922485 5475814 5844970 13689535 27379070 52020233 104040466 260101165 520202330