Search a number
-
+
505006653 = 32323113167
BaseRepresentation
bin11110000110011…
…100101000111101
31022012020222220010
4132012130220331
52013240203103
6122040013433
715341325414
oct3606345075
91265228803
10505006653
1123a076a78
12121161279
1380818c08
144b0da47b
152e506903
hex1e19ca3d

505006653 has 16 divisors (see below), whose sum is σ = 703143936. Its totient is φ = 321792240.

The previous prime is 505006639. The next prime is 505006657. The reversal of 505006653 is 356600505.

It is not a de Polignac number, because 505006653 - 26 = 505006589 is a prime.

It is a super-3 number, since 3×5050066533 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505006653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505006657) 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, 157876 + ... + 161042.

It is an arithmetic number, because the mean of its divisors is an integer number (43946496).

Almost surely, 2505006653 is an apocalyptic number.

It is an amenable number.

505006653 is a deficient number, since it is larger than the sum of its proper divisors (198137283).

505006653 is a wasteful number, since it uses less digits than its factorization.

505006653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 505006653 is about 22472.3530810639. The cubic root of 505006653 is about 796.3409212150.

The spelling of 505006653 in words is "five hundred five million, six thousand, six hundred fifty-three".

Divisors: 1 3 23 69 2311 3167 6933 9501 53153 72841 159459 218523 7318937 21956811 168335551 505006653