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56386044 = 223411131217
BaseRepresentation
bin1101011100011…
…0000111111100
310221002201010000
43113012013330
5103413323134
65332314300
71253162541
oct327060774
9127081100
1056386044
1129912740
1216a72990
13b8b3030
1476babc8
154e3be99
hex35c61fc

56386044 has 120 divisors (see below), whose sum is σ = 173316528. Its totient is φ = 15759360.

The previous prime is 56386019. The next prime is 56386067. The reversal of 56386044 is 44068365.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45724 + ... + 46940.

Almost surely, 256386044 is an apocalyptic number.

56386044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56386044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86658264).

56386044 is an abundant number, since it is smaller than the sum of its proper divisors (116930484).

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

56386044 is a wasteful number, since it uses less digits than its factorization.

56386044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 56386044 is about 7509.0641227786. The cubic root of 56386044 is about 383.4633617279.

The spelling of 56386044 in words is "fifty-six million, three hundred eighty-six thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 27 33 36 39 44 52 54 66 78 81 99 108 117 132 143 156 162 198 234 286 297 324 351 396 429 468 572 594 702 858 891 1053 1188 1217 1287 1404 1716 1782 2106 2434 2574 3564 3651 3861 4212 4868 5148 7302 7722 10953 11583 13387 14604 15444 15821 21906 23166 26774 31642 32859 40161 43812 46332 47463 53548 63284 65718 80322 94926 98577 120483 131436 142389 160644 174031 189852 197154 240966 284778 348062 361449 394308 427167 481932 522093 569556 696124 722898 854334 1044186 1084347 1281501 1445796 1566279 1708668 2088372 2168694 2563002 3132558 4337388 4698837 5126004 6265116 9397674 14096511 18795348 28193022 56386044