Search a number
-
+
505223061 = 3748774933
BaseRepresentation
bin11110000111010…
…001011110010101
31022012122222202020
4132013101132111
52013314114221
6122044403353
715343216350
oct3607213625
91265588666
10505223061
1123a204622
12121246559
1380893575
144b155297
152e54aac6
hex1e1d1795

505223061 has 16 divisors (see below), whose sum is σ = 770177664. Its totient is φ = 288581184.

The previous prime is 505223021. The next prime is 505223063. The reversal of 505223061 is 160322505.

It is not a de Polignac number, because 505223061 - 26 = 505222997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505223063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99951 + ... + 104883.

It is an arithmetic number, because the mean of its divisors is an integer number (48136104).

Almost surely, 2505223061 is an apocalyptic number.

It is an amenable number.

505223061 is a deficient number, since it is larger than the sum of its proper divisors (264954603).

505223061 is a wasteful number, since it uses less digits than its factorization.

505223061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 505223061 is about 22477.1675484257. The cubic root of 505223061 is about 796.4546556476.

Adding to 505223061 its reverse (160322505), we get a palindrome (665545566).

The spelling of 505223061 in words is "five hundred five million, two hundred twenty-three thousand, sixty-one".

Divisors: 1 3 7 21 4877 4933 14631 14799 34139 34531 102417 103593 24058241 72174723 168407687 505223061