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42216130 = 25112231721
BaseRepresentation
bin1010000100001…
…0101011000010
32221102210122101
42201002223002
541301404010
64104501014
71021555045
oct241025302
987383571
1042216130
1121914670
121217a76a
138991478
14586cc5c
153a8d73a
hex2842ac2

42216130 has 32 divisors (see below), whose sum is σ = 83317248. Its totient is φ = 15273600.

The previous prime is 42216113. The next prime is 42216131. The reversal of 42216130 is 3161224.

It is a junction number, because it is equal to n+sod(n) for n = 42216098 and 42216107.

It is not an unprimeable number, because it can be changed into a prime (42216131) 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, 23670 + ... + 25390.

It is an arithmetic number, because the mean of its divisors is an integer number (2603664).

Almost surely, 242216130 is an apocalyptic number.

42216130 is a deficient number, since it is larger than the sum of its proper divisors (41101118).

42216130 is a wasteful number, since it uses less digits than its factorization.

42216130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42216130 is about 6497.3940930191. The cubic root of 42216130 is about 348.1978935660.

Adding to 42216130 its reverse (3161224), we get a palindrome (45377354).

The spelling of 42216130 in words is "forty-two million, two hundred sixteen thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 223 446 1115 1721 2230 2453 3442 4906 8605 12265 17210 18931 24530 37862 94655 189310 383783 767566 1918915 3837830 4221613 8443226 21108065 42216130