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56284128 = 25322329293
BaseRepresentation
bin1101011010110…
…1001111100000
310220220112022100
43112231033200
5103402043003
65330210400
71252256445
oct326551740
9126815270
1056284128
112985310a
1216a23a00
13b878824
1476919cc
154e1bba3
hex35ad3e0

56284128 has 144 divisors (see below), whose sum is σ = 173365920. Its totient is φ = 17267712.

The previous prime is 56284117. The next prime is 56284133. The reversal of 56284128 is 82148265.

56284128 is a `hidden beast` number, since 5 + 628 + 4 + 1 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 56284092 and 56284101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191950 + ... + 192242.

It is an arithmetic number, because the mean of its divisors is an integer number (1203930).

Almost surely, 256284128 is an apocalyptic number.

56284128 is a gapful number since it is divisible by the number (58) 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 56284128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86682960).

56284128 is an abundant number, since it is smaller than the sum of its proper divisors (117081792).

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

56284128 is a wasteful number, since it uses less digits than its factorization.

56284128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 350 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 56284128 is about 7502.2748550023. The cubic root of 56284128 is about 383.2321897404.

The spelling of 56284128 in words is "fifty-six million, two hundred eighty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 29 32 36 46 48 58 69 72 87 92 96 116 138 144 174 184 207 232 261 276 288 293 348 368 414 464 522 552 586 667 696 736 828 879 928 1044 1104 1172 1334 1392 1656 1758 2001 2088 2208 2344 2637 2668 2784 3312 3516 4002 4176 4688 5274 5336 6003 6624 6739 7032 8004 8352 8497 9376 10548 10672 12006 13478 14064 16008 16994 20217 21096 21344 24012 25491 26956 28128 32016 33988 40434 42192 48024 50982 53912 60651 64032 67976 76473 80868 84384 96048 101964 107824 121302 135952 152946 161736 192096 195431 203928 215648 242604 271904 305892 323472 390862 407856 485208 586293 611784 646944 781724 815712 970416 1172586 1223568 1563448 1758879 1940832 2345172 2447136 3126896 3517758 4690344 6253792 7035516 9380688 14071032 18761376 28142064 56284128