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2242791 = 32249199
BaseRepresentation
bin1000100011100011100111
311012221112100
420203203213
51033232131
6120023143
725030515
oct10434347
94187470
102242791
1112a2051
12901ab3
13606ac5
144254b5
152e47e6
hex2238e7

2242791 has 6 divisors (see below), whose sum is σ = 3239600. Its totient is φ = 1495188.

The previous prime is 2242789. The next prime is 2242811. The reversal of 2242791 is 1972422.

2242791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2242791 - 21 = 2242789 is a prime.

It is a super-2 number, since 2×22427912 = 10060222939362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124591 + ... + 124608.

22242791 is an apocalyptic number.

2242791 is a deficient number, since it is larger than the sum of its proper divisors (996809).

2242791 is a wasteful number, since it uses less digits than its factorization.

2242791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249205 (or 249202 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2242791 is about 1497.5950721073. The cubic root of 2242791 is about 130.8969723894.

The spelling of 2242791 in words is "two million, two hundred forty-two thousand, seven hundred ninety-one".

Divisors: 1 3 9 249199 747597 2242791