Search a number
-
+
523030 = 25193271
BaseRepresentation
bin1111111101100010110
3222120110111
41333230112
5113214110
615113234
74305604
oct1775426
9876414
10523030
11327a62
1221281a
131540b1
14d8874
15a4e8a
hex7fb16

523030 has 16 divisors (see below), whose sum is σ = 949824. Its totient is φ = 207360.

The previous prime is 523021. The next prime is 523031. The reversal of 523030 is 30325.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 523030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523031) by changing a digit.

523030 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 1795 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (59364).

2523030 is an apocalyptic number.

523030 is a deficient number, since it is larger than the sum of its proper divisors (426794).

523030 is a wasteful number, since it uses less digits than its factorization.

523030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 523030 is about 723.2081304853. The cubic root of 523030 is about 80.5704025129.

Adding to 523030 its reverse (30325), we get a palindrome (553355).

The spelling of 523030 in words is "five hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 193 271 386 542 965 1355 1930 2710 52303 104606 261515 523030