Search a number
-
+
52152822 = 2342313997
BaseRepresentation
bin1100011011110…
…0100111110110
310122010122020000
43012330213312
5101322342242
65101452130
71202202021
oct306744766
9118118200
1052152822
1127491207
1215571046
13aa60277
146cd81b8
1548a2a4c
hex31bc9f6

52152822 has 40 divisors (see below), whose sum is σ = 121950576. Its totient is φ = 16627248.

The previous prime is 52152809. The next prime is 52152823. The reversal of 52152822 is 22825125.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152823) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3273 + ... + 10724.

Almost surely, 252152822 is an apocalyptic number.

52152822 is an abundant number, since it is smaller than the sum of its proper divisors (69797754).

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

52152822 is a wasteful number, since it uses less digits than its factorization.

52152822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034 (or 14025 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 52152822 is about 7221.6910761954. The cubic root of 52152822 is about 373.6164053875.

Adding to 52152822 its reverse (22825125), we get a palindrome (74977947).

The spelling of 52152822 in words is "fifty-two million, one hundred fifty-two thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 414 621 1242 1863 3726 13997 27994 41991 83982 125973 251946 321931 377919 643862 755838 965793 1133757 1931586 2267514 2897379 5794758 8692137 17384274 26076411 52152822