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56250213 = 3312109179
BaseRepresentation
bin1101011010010…
…0111101100101
310220211210210020
43112210331211
5103400001323
65325345353
71252055535
oct326447545
9126753706
1056250213
112982a688
1216a08259
13b866266
1476834c5
154e11ae3
hex35a4f65

56250213 has 24 divisors (see below), whose sum is σ = 78645600. Its totient is φ = 35756640.

The previous prime is 56250199. The next prime is 56250217. The reversal of 56250213 is 31205265.

It is not a de Polignac number, because 56250213 - 214 = 56233829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56250217) 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, 314158 + ... + 314336.

It is an arithmetic number, because the mean of its divisors is an integer number (3276900).

Almost surely, 256250213 is an apocalyptic number.

It is an amenable number.

56250213 is a deficient number, since it is larger than the sum of its proper divisors (22395387).

56250213 is a wasteful number, since it uses less digits than its factorization.

56250213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56250213 is about 7500.0141999866. The cubic root of 56250213 is about 383.1551998226.

Adding to 56250213 its reverse (31205265), we get a palindrome (87455478).

The spelling of 56250213 in words is "fifty-six million, two hundred fifty thousand, two hundred thirteen".

Divisors: 1 3 31 93 109 179 327 537 961 2883 3379 5549 10137 16647 19511 58533 104749 172019 314247 516057 604841 1814523 18750071 56250213