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73982428 = 221319103727
BaseRepresentation
bin1000110100011…
…10000111011100
312011012200210221
410122032013130
5122414414203
611201411124
71555561132
oct432160734
9164180727
1073982428
1138841103
1220939aa4
13124343b0
149b7b752
156765abd
hex468e1dc

73982428 has 48 divisors (see below), whose sum is σ = 148395520. Its totient is φ = 31990464.

The previous prime is 73982417. The next prime is 73982431. The reversal of 73982428 is 82428937.

It is a happy number.

Its product of digits (193536) is a multiple of the sum of its prime divisors (864).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101401 + ... + 102127.

Almost surely, 273982428 is an apocalyptic number.

It is an amenable number.

73982428 is an abundant number, since it is smaller than the sum of its proper divisors (74413092).

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

73982428 is a wasteful number, since it uses less digits than its factorization.

73982428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 73982428 is about 8601.3038546490. The cubic root of 73982428 is about 419.8004115933.

The spelling of 73982428 in words is "seventy-three million, nine hundred eighty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 19 26 38 52 76 103 206 247 412 494 727 988 1339 1454 1957 2678 2908 3914 5356 7828 9451 13813 18902 25441 27626 37804 50882 55252 74881 101764 149762 179569 299524 359138 718276 973453 1422739 1946906 2845478 3893812 5690956 18495607 36991214 73982428