Search a number
-
+
2541444140 = 225691718371
BaseRepresentation
bin1001011101111011…
…0101110000101100
320120010011201221202
42113132311300230
520201102203030
61100103545032
7116656630064
oct22736656054
96503151852
102541444140
111094640664
125ab15b178
133166b0401
141a175c3a4
15ed1b5745
hex977b5c2c

2541444140 has 24 divisors (see below), whose sum is σ = 5338094832. Its totient is φ = 1016375360.

The previous prime is 2541444127. The next prime is 2541444151. The reversal of 2541444140 is 414441452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129155 + ... + 147525.

It is an arithmetic number, because the mean of its divisors is an integer number (222420618).

Almost surely, 22541444140 is an apocalyptic number.

2541444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541444140 is an abundant number, since it is smaller than the sum of its proper divisors (2796650692).

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

2541444140 is a wasteful number, since it uses less digits than its factorization.

2541444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25297 (or 25295 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 2541444140 is about 50412.7378744698. The cubic root of 2541444140 is about 1364.6675231336.

Adding to 2541444140 its reverse (414441452), we get a palindrome (2955885592).

The spelling of 2541444140 in words is "two billion, five hundred forty-one million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6917 13834 18371 27668 34585 36742 69170 73484 91855 138340 183710 367420 127072207 254144414 508288828 635361035 1270722070 2541444140