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56422044 = 223271811237
BaseRepresentation
bin1101011100111…
…0111010011100
310221011112111100
43113032322130
5103421001134
65333153100
71253402520
oct327167234
9127145440
1056422044
1129937798
1216a8b790
13b8c6533
1476c9d80
154e47999
hex35cee9c

56422044 has 72 divisors (see below), whose sum is σ = 164030048. Its totient is φ = 16018560.

The previous prime is 56422019. The next prime is 56422049. The reversal of 56422044 is 44022465.

It is a junction number, because it is equal to n+sod(n) for n = 56421999 and 56422017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56422049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44994 + ... + 46230.

Almost surely, 256422044 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 56422044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82015024).

56422044 is an abundant number, since it is smaller than the sum of its proper divisors (107608004).

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

56422044 is a wasteful number, since it uses less digits than its factorization.

56422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 56422044 is about 7511.4608432714. The cubic root of 56422044 is about 383.5449525093.

The spelling of 56422044 in words is "fifty-six million, four hundred twenty-two thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 181 252 362 543 724 1086 1237 1267 1629 2172 2474 2534 3258 3711 3801 4948 5068 6516 7422 7602 8659 11133 11403 14844 15204 17318 22266 22806 25977 34636 44532 45612 51954 77931 103908 155862 223897 311724 447794 671691 895588 1343382 1567279 2015073 2686764 3134558 4030146 4701837 6269116 8060292 9403674 14105511 18807348 28211022 56422044