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42810229 = 7113071811
BaseRepresentation
bin1010001101001…
…1101101110101
32222112222121001
42203103231311
541424411404
64125323301
71026611110
oct243235565
988488531
1042810229
112218aa60
1212406531
138b3b9c7
145985577
153b597a4
hex28d3b75

42810229 has 16 divisors (see below), whose sum is σ = 53577216. Its totient is φ = 33231600.

The previous prime is 42810181. The next prime is 42810263. The reversal of 42810229 is 92201824.

It is a cyclic number.

It is not a de Polignac number, because 42810229 - 215 = 42777461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42810197 and 42810206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42810269) 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, 22734 + ... + 24544.

It is an arithmetic number, because the mean of its divisors is an integer number (3348576).

Almost surely, 242810229 is an apocalyptic number.

It is an amenable number.

42810229 is a deficient number, since it is larger than the sum of its proper divisors (10766987).

42810229 is a wasteful number, since it uses less digits than its factorization.

42810229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42810229 is about 6542.9526209503. The cubic root of 42810229 is about 349.8236635543.

The spelling of 42810229 in words is "forty-two million, eight hundred ten thousand, two hundred twenty-nine".

Divisors: 1 7 11 77 307 1811 2149 3377 12677 19921 23639 139447 555977 3891839 6115747 42810229