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8130876 = 2231352121
BaseRepresentation
bin11111000001000100111100
3120022002110120
4133001010330
54040142001
6450134540
7126053115
oct37010474
916262416
108130876
114653936
122881450
1318b8b90
14111920c
15aa9236
hex7c113c

8130876 has 24 divisors (see below), whose sum is σ = 20431824. Its totient is φ = 2501760.

The previous prime is 8130869. The next prime is 8130877. The reversal of 8130876 is 6780318.

It is a super-2 number, since 2×81308762 = 132222289054752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130877) 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, 25905 + ... + 26216.

It is an arithmetic number, because the mean of its divisors is an integer number (851326).

Almost surely, 28130876 is an apocalyptic number.

It is an amenable number.

8130876 is an abundant number, since it is smaller than the sum of its proper divisors (12300948).

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

8130876 is a wasteful number, since it uses less digits than its factorization.

8130876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52141 (or 52139 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8130876 is about 2851.4690950456. The cubic root of 8130876 is about 201.0847393991.

The spelling of 8130876 in words is "eight million, one hundred thirty thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 52121 104242 156363 208484 312726 625452 677573 1355146 2032719 2710292 4065438 8130876