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8107099 = 721113289
BaseRepresentation
bin11110111011010001011011
3120020212211221
4132323101123
54033411344
6445432511
7125623600
oct36732133
916225757
108107099
114637a90
12286b737
1318ab100
1411106a7
15aa2184
hex7bb45b

8107099 has 36 divisors (see below), whose sum is σ = 11265480. Its totient is φ = 5765760.

The previous prime is 8107097. The next prime is 8107103. The reversal of 8107099 is 9907018.

It is not a de Polignac number, because 8107099 - 21 = 8107097 is a prime.

It is a Duffinian number.

8107099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8107097) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91047 + ... + 91135.

It is an arithmetic number, because the mean of its divisors is an integer number (312930).

Almost surely, 28107099 is an apocalyptic number.

8107099 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8107099 is a deficient number, since it is larger than the sum of its proper divisors (3158381).

8107099 is a wasteful number, since it uses less digits than its factorization.

8107099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 8107099 is about 2847.2967881835. The cubic root of 8107099 is about 200.8885383191. Note that the first 3 decimals are identical.

The spelling of 8107099 in words is "eight million, one hundred seven thousand, ninety-nine".

Divisors: 1 7 11 13 49 77 89 91 143 169 539 623 637 979 1001 1157 1183 1859 4361 6853 7007 8099 8281 12727 13013 15041 47971 56693 89089 91091 105287 165451 623623 737009 1158157 8107099