Search a number
-
+
2205249243 = 31061692821
BaseRepresentation
bin1000001101110001…
…0110111011011011
312200200120021020220
42003130112323123
514004020433433
61002454051123
7105435211041
oct20334267333
95620507226
102205249243
11a3189543a
12516649aa3
13291b4ba12
1416cc46391
15cd9072b3
hex83716edb

2205249243 has 8 divisors (see below), whose sum is σ = 2943107856. Its totient is φ = 1468778400.

The previous prime is 2205249229. The next prime is 2205249283. The reversal of 2205249243 is 3429425022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2205249243 - 228 = 1936813787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205249283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343228 + ... + 349593.

It is an arithmetic number, because the mean of its divisors is an integer number (367888482).

Almost surely, 22205249243 is an apocalyptic number.

2205249243 is a deficient number, since it is larger than the sum of its proper divisors (737858613).

2205249243 is a wasteful number, since it uses less digits than its factorization.

2205249243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693885.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2205249243 is about 46960.0813776978. The cubic root of 2205249243 is about 1301.6250374352.

The spelling of 2205249243 in words is "two billion, two hundred five million, two hundred forty-nine thousand, two hundred forty-three".

Divisors: 1 3 1061 3183 692821 2078463 735083081 2205249243