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6130878 = 231383947
BaseRepresentation
bin10111011000110010111110
3102112110222120
4113120302332
53032142003
6335223410
7103053165
oct27306276
912473876
106130878
113508246
122077b66
131368750
14b583dc
15811853
hex5d8cbe

6130878 has 32 divisors (see below), whose sum is σ = 13378176. Its totient is φ = 1861728.

The previous prime is 6130849. The next prime is 6130907. The reversal of 6130878 is 8780316.

It is an interprime number because it is at equal distance from previous prime (6130849) and next prime (6130907).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (418068).

Almost surely, 26130878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6130878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6689088).

6130878 is an abundant number, since it is smaller than the sum of its proper divisors (7247298).

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

6130878 is a wasteful number, since it uses less digits than its factorization.

6130878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

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

The square root of 6130878 is about 2476.0609847094. The cubic root of 6130878 is about 183.0237957650.

The spelling of 6130878 in words is "six million, one hundred thirty thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 13 26 39 78 83 166 249 498 947 1079 1894 2158 2841 3237 5682 6474 12311 24622 36933 73866 78601 157202 235803 471606 1021813 2043626 3065439 6130878