Search a number
-
+
56172324 = 22313397907
BaseRepresentation
bin1101011001000…
…1111100100100
310220200211221110
43112101330210
5103340003244
65323545020
71251312465
oct326217444
9126624843
1056172324
112978710a
121698b170
13b839980
147662d6c
154de89b9
hex3591f24

56172324 has 48 divisors (see below), whose sum is σ = 141662528. Its totient is φ = 17221248.

The previous prime is 56172323. The next prime is 56172343. The reversal of 56172324 is 42327165.

56172324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56172291 and 56172300.

It is not an unprimeable number, because it can be changed into a prime (56172323) 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 15 ways as a sum of consecutive naturals, for example, 61479 + ... + 62385.

Almost surely, 256172324 is an apocalyptic number.

It is an amenable number.

56172324 is an abundant number, since it is smaller than the sum of its proper divisors (85490204).

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

56172324 is a wasteful number, since it uses less digits than its factorization.

56172324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 56172324 is about 7494.8198110428. The cubic root of 56172324 is about 382.9782679850.

Adding to 56172324 its reverse (42327165), we get a palindrome (98499489).

The spelling of 56172324 in words is "fifty-six million, one hundred seventy-two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 397 794 907 1191 1588 1814 2382 2721 3628 4764 5161 5442 10322 10884 11791 15483 20644 23582 30966 35373 47164 61932 70746 141492 360079 720158 1080237 1440316 2160474 4320948 4681027 9362054 14043081 18724108 28086162 56172324