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505320130 = 2577218859
BaseRepresentation
bin11110000111101…
…001001011000010
31022012211220220101
4132013221023002
52013330221010
6122050433014
715344102350
oct3607511302
91265756811
10505320130
1123a270547
1212129276a
13808c87c3
144b17c7d0
152e56973a
hex1e1e92c2

505320130 has 16 divisors (see below), whose sum is σ = 1039515840. Its totient is φ = 173252592.

The previous prime is 505320083. The next prime is 505320131. The reversal of 505320130 is 31023505.

It is a junction number, because it is equal to n+sod(n) for n = 505320098 and 505320107.

It is not an unprimeable number, because it can be changed into a prime (505320131) 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, 3609360 + ... + 3609499.

It is an arithmetic number, because the mean of its divisors is an integer number (64969740).

Almost surely, 2505320130 is an apocalyptic number.

505320130 is an abundant number, since it is smaller than the sum of its proper divisors (534195710).

505320130 is a wasteful number, since it uses less digits than its factorization.

505320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218873.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 505320130 is about 22479.3267247932. The cubic root of 505320130 is about 796.5056602514.

Adding to 505320130 its reverse (31023505), we get a palindrome (536343635).

The spelling of 505320130 in words is "five hundred five million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 7218859 14437718 36094295 50532013 72188590 101064026 252660065 505320130