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6130278 = 2327114423
BaseRepresentation
bin10111011000101001100110
3102112110011100
4113120221212
53032132103
6335220530
7103051350
oct27305146
912473140
106130278
113507850
122077746
1313683ab
14b580d0
158115a3
hex5d8a66

6130278 has 48 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 1591920.

The previous prime is 6130273. The next prime is 6130301. The reversal of 6130278 is 8720316.

6130278 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

6130278 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6130273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826 + ... + 3597.

It is an arithmetic number, because the mean of its divisors is an integer number (345072).

Almost surely, 26130278 is an apocalyptic number.

6130278 is an abundant number, since it is smaller than the sum of its proper divisors (10433178).

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

6130278 is a wasteful number, since it uses less digits than its factorization.

6130278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 6130278 is about 2475.9398215627. The cubic root of 6130278 is about 183.0178250128.

Subtracting from 6130278 its sum of digits (27), we obtain a triangular number (6130251 = T3501).

The spelling of 6130278 in words is "six million, one hundred thirty thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 4423 8846 13269 26538 30961 39807 48653 61922 79614 92883 97306 145959 185766 278649 291918 340571 437877 557298 681142 875754 1021713 2043426 3065139 6130278