Search a number
-
+
56017444 = 22729149463
BaseRepresentation
bin1101010110110…
…0001000100100
310220101222111011
43111230020210
5103320024234
65320352004
71250066110
oct325541044
9126358434
1056017444
112969080a
1216915604
13b7b4322
147622740
154db7b64
hex356c224

56017444 has 48 divisors (see below), whose sum is σ = 116928000. Its totient is φ = 22974336.

The previous prime is 56017441. The next prime is 56017457. The reversal of 56017444 is 44471065.

It is not an unprimeable number, because it can be changed into a prime (56017441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120757 + ... + 121219.

It is an arithmetic number, because the mean of its divisors is an integer number (2436000).

Almost surely, 256017444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56017444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58464000).

56017444 is an abundant number, since it is smaller than the sum of its proper divisors (60910556).

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

56017444 is a wasteful number, since it uses less digits than its factorization.

56017444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 56017444 is about 7484.4802090726. The cubic root of 56017444 is about 382.6259576346.

The spelling of 56017444 in words is "fifty-six million, seventeen thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 149 203 298 406 463 596 812 926 1043 1852 2086 3241 4172 4321 6482 8642 12964 13427 17284 26854 30247 53708 60494 68987 93989 120988 137974 187978 275948 375956 482909 965818 1931636 2000623 4001246 8002492 14004361 28008722 56017444