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2042455120 = 24525530689
BaseRepresentation
bin111100110111101…
…0110010001010000
312021100020110200221
41321233112101100
513140332030440
6534400522424
7101420403436
oct17157262120
95240213627
102042455120
11958a04842
12490020414
132671c0534
1415538ad56
15be49bd4a
hex79bd6450

2042455120 has 20 divisors (see below), whose sum is σ = 4748708340. Its totient is φ = 816982016.

The previous prime is 2042455099. The next prime is 2042455159. The reversal of 2042455120 is 215542402.

It can be written as a sum of positive squares in 2 ways, for example, as 268697664 + 1773757456 = 16392^2 + 42116^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12765265 + ... + 12765424.

It is an arithmetic number, because the mean of its divisors is an integer number (237435417).

Almost surely, 22042455120 is an apocalyptic number.

2042455120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042455120 is an abundant number, since it is smaller than the sum of its proper divisors (2706253220).

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

2042455120 is a wasteful number, since it uses less digits than its factorization.

2042455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530702 (or 25530696 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2042455120 is about 45193.5296253789. The cubic root of 2042455120 is about 1268.7737186633.

Adding to 2042455120 its reverse (215542402), we get a palindrome (2257997522).

The spelling of 2042455120 in words is "two billion, forty-two million, four hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25530689 51061378 102122756 127653445 204245512 255306890 408491024 510613780 1021227560 2042455120