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72906050 = 2527673109
BaseRepresentation
bin1000101100001…
…11010101000010
312002012000022002
410112013111002
5122130443200
611122344002
71543456040
oct426072502
9162160262
1072906050
1138176438
12204bb002
1312148499
14997b390
156601bd5
hex4587542

72906050 has 48 divisors (see below), whose sum is σ = 157341120. Its totient is φ = 24615360.

The previous prime is 72906023. The next prime is 72906061. The reversal of 72906050 is 5060927.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21896 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (3277940).

Almost surely, 272906050 is an apocalyptic number.

72906050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72906050 is an abundant number, since it is smaller than the sum of its proper divisors (84435070).

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

72906050 is a wasteful number, since it uses less digits than its factorization.

72906050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 72906050 is about 8538.5039673235. The cubic root of 72906050 is about 417.7545509246.

Adding to 72906050 its reverse (5060927), we get a palindrome (77966977).

The spelling of 72906050 in words is "seventy-two million, nine hundred six thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 67 70 134 175 335 350 469 670 938 1675 2345 3109 3350 4690 6218 11725 15545 21763 23450 31090 43526 77725 108815 155450 208303 217630 416606 544075 1041515 1088150 1458121 2083030 2916242 5207575 7290605 10415150 14581210 36453025 72906050