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1842350380 = 225137085963
BaseRepresentation
bin110110111010000…
…0000100100101100
311202101201002121021
41231310000210230
512233120203010
6502451543524
763440501623
oct15564004454
94671632537
101842350380
11865a60122
12434bbaba4
132348ca670
1413697c6ba
15abb218da
hex6dd0092c

1842350380 has 24 divisors (see below), whose sum is σ = 4166546832. Its totient is φ = 680252352.

The previous prime is 1842350359. The next prime is 1842350383. The reversal of 1842350380 is 830532481.

It is a happy number.

It is a super-2 number, since 2×18423503802 = 6788509845372288800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1842350383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542722 + ... + 3543241.

It is an arithmetic number, because the mean of its divisors is an integer number (173606118).

Almost surely, 21842350380 is an apocalyptic number.

1842350380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1842350380 is an abundant number, since it is smaller than the sum of its proper divisors (2324196452).

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

1842350380 is a wasteful number, since it uses less digits than its factorization.

1842350380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085985 (or 7085983 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1842350380 is about 42922.6091937571. The cubic root of 1842350380 is about 1225.9066740396.

The spelling of 1842350380 in words is "one billion, eight hundred forty-two million, three hundred fifty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 7085963 14171926 28343852 35429815 70859630 92117519 141719260 184235038 368470076 460587595 921175190 1842350380