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80752668 = 2236729389
BaseRepresentation
bin1001101000000…
…11000000011100
312121221122211120
410310003000130
5131133041133
612002450540
72000246343
oct464030034
9177848746
1080752668
1141645747
1223063a50
1313964b59
14aa20b5a
157151ab3
hex4d0301c

80752668 has 12 divisors (see below), whose sum is σ = 188422920. Its totient is φ = 26917552.

The previous prime is 80752649. The next prime is 80752691. The reversal of 80752668 is 86625708.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3364683 + ... + 3364706.

It is an arithmetic number, because the mean of its divisors is an integer number (15701910).

Almost surely, 280752668 is an apocalyptic number.

It is an amenable number.

80752668 is an abundant number, since it is smaller than the sum of its proper divisors (107670252).

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

80752668 is a wasteful number, since it uses less digits than its factorization.

80752668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729396 (or 6729394 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 80752668 is about 8986.2488280706. The cubic root of 80752668 is about 432.2340338557.

The spelling of 80752668 in words is "eighty million, seven hundred fifty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 6729389 13458778 20188167 26917556 40376334 80752668