Search a number
-
+
2853659140 = 225142682957
BaseRepresentation
bin1010101000010111…
…0110001000000100
321100212122220102021
42222011312020010
521321014043030
61151055452524
7130500462643
oct25205661004
97325586367
102853659140
1112348a8392
12677827144
13366297007
141d0dd135a
1511a7d897a
hexaa176204

2853659140 has 12 divisors (see below), whose sum is σ = 5992684236. Its totient is φ = 1141463648.

The previous prime is 2853659129. The next prime is 2853659141. The reversal of 2853659140 is 419563582.

It can be written as a sum of positive squares in 2 ways, for example, as 915546564 + 1938112576 = 30258^2 + 44024^2 .

It is not an unprimeable number, because it can be changed into a prime (2853659141) 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, 71341459 + ... + 71341498.

It is an arithmetic number, because the mean of its divisors is an integer number (499390353).

Almost surely, 22853659140 is an apocalyptic number.

2853659140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2853659140 is an abundant number, since it is smaller than the sum of its proper divisors (3139025096).

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

2853659140 is a wasteful number, since it uses less digits than its factorization.

2853659140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142682966 (or 142682964 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2853659140 is about 53419.6512530735. The cubic root of 2853659140 is about 1418.4064547809.

The spelling of 2853659140 in words is "two billion, eight hundred fifty-three million, six hundred fifty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 142682957 285365914 570731828 713414785 1426829570 2853659140