Search a number
-
+
2194601449 = 43421912097
BaseRepresentation
bin1000001011001110…
…1111010111101001
312122221112022020011
42002303233113221
513443304221244
61001433531521
7105245542645
oct20263572751
95587468204
102194601449
11a26882607
12512b73ba1
1328c891351
1416b673c25
15cca02434
hex82cef5e9

2194601449 has 8 divisors (see below), whose sum is σ = 2246356640. Its totient is φ = 2142878976.

The previous prime is 2194601447. The next prime is 2194601459. The reversal of 2194601449 is 9441064912.

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

It is a cyclic number.

It is not a de Polignac number, because 2194601449 - 21 = 2194601447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194601447) 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, 175369 + ... + 187465.

It is an arithmetic number, because the mean of its divisors is an integer number (280794580).

Almost surely, 22194601449 is an apocalyptic number.

It is an amenable number.

2194601449 is a deficient number, since it is larger than the sum of its proper divisors (51755191).

2194601449 is a wasteful number, since it uses less digits than its factorization.

2194601449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16359.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2194601449 is about 46846.5735032990. The cubic root of 2194601449 is about 1299.5267407507.

The spelling of 2194601449 in words is "two billion, one hundred ninety-four million, six hundred one thousand, four hundred forty-nine".

Divisors: 1 43 4219 12097 181417 520171 51037243 2194601449