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8752081 = 132233019
BaseRepresentation
bin100001011000…
…101111010001
3121110122121011
4201120233101
54220031311
6511330521
7134251162
oct41305721
917418534
108752081
114a38628
122b20a41
131a75860
14123b769
15b7d321
hex858bd1

8752081 has 8 divisors (see below), whose sum is σ = 9470720. Its totient is φ = 8039952.

The previous prime is 8752067. The next prime is 8752123. The reversal of 8752081 is 1802578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8752081 - 211 = 8750033 is a prime.

It is a super-2 number, since 2×87520812 = 153197843661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8752031) by changing a digit.

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, 1390 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (1183840).

Almost surely, 28752081 is an apocalyptic number.

It is an amenable number.

8752081 is a deficient number, since it is larger than the sum of its proper divisors (718639).

8752081 is a wasteful number, since it uses less digits than its factorization.

8752081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8752081 is about 2958.3916238389. The cubic root of 8752081 is about 206.0805996855.

The spelling of 8752081 in words is "eight million, seven hundred fifty-two thousand, eighty-one".

Divisors: 1 13 223 2899 3019 39247 673237 8752081