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80752142 = 2174095807
BaseRepresentation
bin1001101000000…
…10111000001110
312121221122010002
410310002320032
5131133032032
612002444302
72000244662
oct464027016
9177848102
1080752142
1141645309
1223063692
1313964843
14aa208a2
157151862
hex4d02e0e

80752142 has 16 divisors (see below), whose sum is σ = 128589120. Its totient is φ = 37901568.

The previous prime is 80752127. The next prime is 80752169. The reversal of 80752142 is 24125708.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (8036820).

Almost surely, 280752142 is an apocalyptic number.

80752142 is a deficient number, since it is larger than the sum of its proper divisors (47836978).

80752142 is a wasteful number, since it uses less digits than its factorization.

80752142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 80752142 is about 8986.2195610835. The cubic root of 80752142 is about 432.2330953703.

The spelling of 80752142 in words is "eighty million, seven hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 17 34 409 818 5807 6953 11614 13906 98719 197438 2375063 4750126 40376071 80752142