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8087107 = 721511093
BaseRepresentation
bin11110110110011001000011
3120012212102111
4132312121003
54032241412
6445200151
7125511400
oct36663103
916185374
108087107
114623a66
122860057
1318a1c92
1411072a7
15a9b2a7
hex7b6643

8087107 has 12 divisors (see below), whose sum is σ = 9478416. Its totient is φ = 6879600.

The previous prime is 8087089. The next prime is 8087129. The reversal of 8087107 is 7017808.

It is a de Polignac number, because none of the positive numbers 2k-8087107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8087137) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6853 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (789868).

Almost surely, 28087107 is an apocalyptic number.

8087107 is a deficient number, since it is larger than the sum of its proper divisors (1391309).

8087107 is a wasteful number, since it uses less digits than its factorization.

8087107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 8087107 is about 2843.7839228746. The cubic root of 8087107 is about 200.7232728953.

The spelling of 8087107 in words is "eight million, eighty-seven thousand, one hundred seven".

Divisors: 1 7 49 151 1057 1093 7399 7651 53557 165043 1155301 8087107