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72106182 = 2325375583
BaseRepresentation
bin1000100110001…
…00000011000110
312000200101002100
410103010003012
5121424344212
611053252530
71533615051
oct423040306
9160611070
1072106182
113777a495
1220194146
1311c283a5
14980da98
1564e4bdc
hex44c40c6

72106182 has 24 divisors (see below), whose sum is σ = 159179904. Its totient is φ = 23581584.

The previous prime is 72106171. The next prime is 72106241. The reversal of 72106182 is 28160127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36838 + ... + 38745.

It is an arithmetic number, because the mean of its divisors is an integer number (6632496).

Almost surely, 272106182 is an apocalyptic number.

72106182 is an abundant number, since it is smaller than the sum of its proper divisors (87073722).

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

72106182 is a wasteful number, since it uses less digits than its factorization.

72106182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75644 (or 75641 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 72106182 is about 8491.5359034747. The cubic root of 72106182 is about 416.2211710683.

The spelling of 72106182 in words is "seventy-two million, one hundred six thousand, one hundred eighty-two".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 75583 151166 226749 453498 680247 1360494 4005899 8011798 12017697 24035394 36053091 72106182