Search a number
-
+
531944 = 23722359
BaseRepresentation
bin10000001110111101000
31000000200122
42001313220
5114010234
615222412
74343600
oct2016750
91000618
10531944
11333726
12217a08
1315817a
14dbc00
15a792e
hex81de8

531944 has 48 divisors (see below), whose sum is σ = 1231200. Its totient is φ = 214368.

The previous prime is 531919. The next prime is 531977. The reversal of 531944 is 449135.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 531944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8987 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2531944 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 531944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615600).

531944 is an abundant number, since it is smaller than the sum of its proper divisors (699256).

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

531944 is a wasteful number, since it uses less digits than its factorization.

531944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 91 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 531944 is about 729.3449115473. The cubic root of 531944 is about 81.0255469893.

It can be divided in two parts, 531 and 944, that multiplied together give a square (501264 = 7082).

The spelling of 531944 in words is "five hundred thirty-one thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 23 28 46 49 56 59 92 98 118 161 184 196 236 322 392 413 472 644 826 1127 1288 1357 1652 2254 2714 2891 3304 4508 5428 5782 9016 9499 10856 11564 18998 23128 37996 66493 75992 132986 265972 531944