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1838005044 = 2233718122871
BaseRepresentation
bin110110110001101…
…1011101100110100
311202002112022220220
41231203123230310
512231012130134
6502214454340
763355533201
oct15543335464
94662468826
101838005044
11863562437
124336643b0
13233a38865
1413616aca8
15ab564149
hex6d8dbb34

1838005044 has 48 divisors (see below), whose sum is σ = 4429117056. Its totient is φ = 592790400.

The previous prime is 1838004913. The next prime is 1838005051. The reversal of 1838005044 is 4405008381.

It is a junction number, because it is equal to n+sod(n) for n = 1838004996 and 1838005014.

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, 68929 + ... + 91799.

It is an arithmetic number, because the mean of its divisors is an integer number (92273272).

Almost surely, 21838005044 is an apocalyptic number.

It is an amenable number.

1838005044 is an abundant number, since it is smaller than the sum of its proper divisors (2591112012).

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

1838005044 is a wasteful number, since it uses less digits than its factorization.

1838005044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23096 (or 23094 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1838005044 is about 42871.9610468194. The cubic root of 1838005044 is about 1224.9421144937.

The spelling of 1838005044 in words is "one billion, eight hundred thirty-eight million, five thousand, forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 181 222 362 444 543 724 1086 2172 6697 13394 20091 22871 26788 40182 45742 68613 80364 91484 137226 274452 846227 1692454 2538681 3384908 4139651 5077362 8279302 10154724 12418953 16558604 24837906 49675812 153167087 306334174 459501261 612668348 919002522 1838005044