Search a number
-
+
2272871 = 2419431
BaseRepresentation
bin1000101010111001100111
311021110210102
420222321213
51040212441
6120414315
725214306
oct10527147
94243712
102272871
111312707
1291739b
136176c3
1443243d
152ed69b
hex22ae67

2272871 has 4 divisors (see below), whose sum is σ = 2282544. Its totient is φ = 2263200.

The previous prime is 2272861. The next prime is 2272903. The reversal of 2272871 is 1782722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2272871 - 218 = 2010727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272811) 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, 4475 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (570636).

22272871 is an apocalyptic number.

2272871 is a deficient number, since it is larger than the sum of its proper divisors (9673).

2272871 is an equidigital number, since it uses as much as digits as its factorization.

2272871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672.

The product of its digits is 3136, while the sum is 29.

The square root of 2272871 is about 1507.6043910788. The cubic root of 2272871 is about 131.4795661889.

The spelling of 2272871 in words is "two million, two hundred seventy-two thousand, eight hundred seventy-one".

Divisors: 1 241 9431 2272871