Search a number
-
+
1839116892 = 2232316739901
BaseRepresentation
bin110110110011110…
…1011001001011100
311202011121211002110
41231213223021130
512231303220032
6502254354020
763401143554
oct15547531134
94664554073
101839116892
11864151818
12433abb910
13234037962
1413637a164
15ab6d37cc
hex6d9eb25c

1839116892 has 48 divisors (see below), whose sum is σ = 4504776192. Its totient is φ = 582859200.

The previous prime is 1839116843. The next prime is 1839116911. The reversal of 1839116892 is 2986119381.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 26142 + ... + 66042.

It is an arithmetic number, because the mean of its divisors is an integer number (93849504).

Almost surely, 21839116892 is an apocalyptic number.

1839116892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1839116892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252388096).

1839116892 is an abundant number, since it is smaller than the sum of its proper divisors (2665659300).

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

1839116892 is a wasteful number, since it uses less digits than its factorization.

1839116892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098 (or 40096 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 1839116892 is about 42884.9261629305. The cubic root of 1839116892 is about 1225.1890624755.

The spelling of 1839116892 in words is "one billion, eight hundred thirty-nine million, one hundred sixteen thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 167 276 334 501 668 1002 2004 3841 7682 11523 15364 23046 39901 46092 79802 119703 159604 239406 478812 917723 1835446 2753169 3670892 5506338 6663467 11012676 13326934 19990401 26653868 39980802 79961604 153259741 306519482 459779223 613038964 919558446 1839116892