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56061438 = 23193713291
BaseRepresentation
bin1101010111011…
…0110111111110
310220111012211120
43111312313332
5103322431223
65321331410
71250341266
oct325666776
9126435746
1056061438
1129710874
1216936b66
13b7cb364
1476347a6
154dc5be3
hex3576dfe

56061438 has 32 divisors (see below), whose sum is σ = 121223040. Its totient is φ = 17223840.

The previous prime is 56061433. The next prime is 56061443. The reversal of 56061438 is 83416065.

It is an interprime number because it is at equal distance from previous prime (56061433) and next prime (56061443).

It is a junction number, because it is equal to n+sod(n) for n = 56061399 and 56061408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56061433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2428 + ... + 10863.

It is an arithmetic number, because the mean of its divisors is an integer number (3788220).

Almost surely, 256061438 is an apocalyptic number.

56061438 is an abundant number, since it is smaller than the sum of its proper divisors (65161602).

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

56061438 is a wasteful number, since it uses less digits than its factorization.

56061438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13352.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 56061438 is about 7487.4186473043. The cubic root of 56061438 is about 382.7260981169.

The spelling of 56061438 in words is "fifty-six million, sixty-one thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 13291 26582 39873 79746 252529 491767 505058 757587 983534 1475301 1515174 2950602 9343573 18687146 28030719 56061438