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56207424 = 2637133217
BaseRepresentation
bin1101011001101…
…0100001000000
310220202122002110
43112122201000
5103342114144
65324415320
71251520020
oct326324100
9126678073
1056207424
1129800519
12169a7540
13b84c940
147671a80
154e040b9
hex359a840

56207424 has 112 divisors (see below), whose sum is σ = 183091328. Its totient is φ = 14819328.

The previous prime is 56207399. The next prime is 56207429. The reversal of 56207424 is 42470265.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 56207391 and 56207400.

It is not an unprimeable number, because it can be changed into a prime (56207429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15864 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (1634744).

Almost surely, 256207424 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 56207424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91545664).

56207424 is an abundant number, since it is smaller than the sum of its proper divisors (126883904).

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

56207424 is a wasteful number, since it uses less digits than its factorization.

56207424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 56207424 is about 7497.1610626957. The cubic root of 56207424 is about 383.0580210099.

Adding to 56207424 its reverse (42470265), we get a palindrome (98677689).

The spelling of 56207424 in words is "fifty-six million, two hundred seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 3217 4368 5824 6434 8736 9651 12868 17472 19302 22519 25736 38604 41821 45038 51472 67557 77208 83642 90076 102944 125463 135114 154416 167284 180152 205888 250926 270228 292747 308832 334568 360304 501852 540456 585494 617664 669136 720608 878241 1003704 1080912 1170988 1338272 1441216 1756482 2007408 2161824 2341976 2676544 3512964 4014816 4323648 4683952 7025928 8029632 9367904 14051856 18735808 28103712 56207424