Search a number
-
+
2194371 = 3427091
BaseRepresentation
bin1000010111101111000011
311010111010000
420113233003
51030204441
6115011043
724436404
oct10275703
94114100
102194371
111269733
12899a83
135baa5a
144119ab
152d52b6
hex217bc3

2194371 has 10 divisors (see below), whose sum is σ = 3278132. Its totient is φ = 1462860.

The previous prime is 2194369. The next prime is 2194391. The reversal of 2194371 is 1734912.

It is not a de Polignac number, because 2194371 - 21 = 2194369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13465 + ... + 13626.

22194371 is an apocalyptic number.

2194371 is a deficient number, since it is larger than the sum of its proper divisors (1083761).

2194371 is an equidigital number, since it uses as much as digits as its factorization.

2194371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27103 (or 27094 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2194371 is about 1481.3409465751. The cubic root of 2194371 is about 129.9481252594.

The spelling of 2194371 in words is "two million, one hundred ninety-four thousand, three hundred seventy-one".

Divisors: 1 3 9 27 81 27091 81273 243819 731457 2194371