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56037445 = 5109229449
BaseRepresentation
bin1101010111000…
…1000001000101
310220102222220221
43111301001011
5103321144240
65321024341
71250211322
oct325610105
9126388827
1056037445
11296a4842
12169250b1
13b7c0469
147629b49
154dbda4a
hex3571045

56037445 has 16 divisors (see below), whose sum is σ = 68310000. Its totient is φ = 44126208.

The previous prime is 56037439. The next prime is 56037461. The reversal of 56037445 is 54473065.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6461764 + 49575681 = 2542^2 + 7041^2 .

It is a cyclic number.

It is not a de Polignac number, because 56037445 - 23 = 56037437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56037445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124581 + ... + 125029.

It is an arithmetic number, because the mean of its divisors is an integer number (4269375).

Almost surely, 256037445 is an apocalyptic number.

It is an amenable number.

56037445 is a deficient number, since it is larger than the sum of its proper divisors (12272555).

56037445 is a wasteful number, since it uses less digits than its factorization.

56037445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 56037445 is about 7485.8162547581. The cubic root of 56037445 is about 382.6714910173.

The spelling of 56037445 in words is "fifty-six million, thirty-seven thousand, four hundred forty-five".

Divisors: 1 5 109 229 449 545 1145 2245 24961 48941 102821 124805 244705 514105 11207489 56037445