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1121384 = 231112743
BaseRepresentation
bin100010001110001101000
32002222020202
410101301220
5241341014
640011332
712350225
oct4216150
92088222
101121384
116a6570
12460b48
13303554
1421294c
151723de
hex111c68

1121384 has 16 divisors (see below), whose sum is σ = 2293920. Its totient is φ = 509680.

The previous prime is 1121383. The next prime is 1121387. The reversal of 1121384 is 4831211.

It is not an unprimeable number, because it can be changed into a prime (1121383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (143370).

21121384 is an apocalyptic number.

It is an amenable number.

1121384 is an abundant number, since it is smaller than the sum of its proper divisors (1172536).

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

1121384 is a wasteful number, since it uses less digits than its factorization.

1121384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12756 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1121384 is about 1058.9542010871. The cubic root of 1121384 is about 103.8926406903.

Adding to 1121384 its reverse (4831211), we get a palindrome (5952595).

The spelling of 1121384 in words is "one million, one hundred twenty-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 12743 25486 50972 101944 140173 280346 560692 1121384