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1119384020 = 22555969201
BaseRepresentation
bin100001010111000…
…0111000111010100
32220000022121012102
41002232013013110
54243030242040
6303024141232
736511415156
oct10256070724
92800277172
101119384020
11524954867
12272a67818
1314aba9911
14a8946ad6
1568414515
hex42b871d4

1119384020 has 12 divisors (see below), whose sum is σ = 2350706484. Its totient is φ = 447753600.

The previous prime is 1119383933. The next prime is 1119384029. The reversal of 1119384020 is 204839111.

It can be written as a sum of positive squares in 2 ways, for example, as 625300036 + 494083984 = 25006^2 + 22228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119384029) 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, 27984581 + ... + 27984620.

It is an arithmetic number, because the mean of its divisors is an integer number (195892207).

Almost surely, 21119384020 is an apocalyptic number.

1119384020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1119384020 is an abundant number, since it is smaller than the sum of its proper divisors (1231322464).

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

1119384020 is a wasteful number, since it uses less digits than its factorization.

1119384020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55969210 (or 55969208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1119384020 is about 33457.1968341641. The cubic root of 1119384020 is about 1038.3084001879.

The spelling of 1119384020 in words is "one billion, one hundred nineteen million, three hundred eighty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 55969201 111938402 223876804 279846005 559692010 1119384020