Search a number
-
+
505103140 = 22583304279
BaseRepresentation
bin11110000110110…
…100001100100100
31022012102220020201
4132012310030210
52013301300030
6122042040244
715342206623
oct3606641444
91265386221
10505103140
1123a132513
121211a9084
1380850ac9
144b1236ba
152e5252ca
hex1e1b4324

505103140 has 24 divisors (see below), whose sum is σ = 1073499840. Its totient is φ = 199606368.

The previous prime is 505103101. The next prime is 505103143. The reversal of 505103140 is 41301505.

It is not an unprimeable number, because it can be changed into a prime (505103143) by changing a digit.

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, 150480 + ... + 153799.

It is an arithmetic number, because the mean of its divisors is an integer number (44729160).

Almost surely, 2505103140 is an apocalyptic number.

It is an amenable number.

505103140 is an abundant number, since it is smaller than the sum of its proper divisors (568396700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505103140 is a wasteful number, since it uses less digits than its factorization.

505103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304371 (or 304369 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 505103140 is about 22474.4997719638. The cubic root of 505103140 is about 796.3916345096.

Adding to 505103140 its reverse (41301505), we get a palindrome (546404645).

The spelling of 505103140 in words is "five hundred five million, one hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 304279 608558 1217116 1521395 3042790 6085580 25255157 50510314 101020628 126275785 252551570 505103140