Search a number
-
+
2104445240 = 23552611131
BaseRepresentation
bin111110101101111…
…0100100100111000
312102122212220011022
41331123310210320
513302214221430
6544453322012
7103102326602
oct17533644470
95378786138
102104445240
1198a9a4947
124a8936308
13276cb6291
1415d6c6172
15c4b444e5
hex7d6f4938

2104445240 has 16 divisors (see below), whose sum is σ = 4735001880. Its totient is φ = 841778080.

The previous prime is 2104445219. The next prime is 2104445279. The reversal of 2104445240 is 425444012.

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, 26305526 + ... + 26305605.

Almost surely, 22104445240 is an apocalyptic number.

2104445240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104445240 is an abundant number, since it is smaller than the sum of its proper divisors (2630556640).

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

2104445240 is a wasteful number, since it uses less digits than its factorization.

2104445240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52611142 (or 52611138 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2104445240 is about 45874.2328546211. The cubic root of 2104445240 is about 1281.4820967121.

Adding to 2104445240 its reverse (425444012), we get a palindrome (2529889252).

The spelling of 2104445240 in words is "two billion, one hundred four million, four hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 52611131 105222262 210444524 263055655 420889048 526111310 1052222620 2104445240