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2249147 = 2397789
BaseRepresentation
bin1000100101000110111011
311020021020202
420211012323
51033433042
6120112415
725055165
oct10450673
94207222
102249147
1112a68aa
1290570b
13609974
14427935
152e6632
hex2251bb

2249147 has 4 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 2151336.

The previous prime is 2249141. The next prime is 2249171. The reversal of 2249147 is 7419422.

2249147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7419422 = 23709711.

It is a cyclic number.

It is not a de Polignac number, because 2249147 - 210 = 2248123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249141) 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 3 ways as a sum of consecutive naturals, for example, 48872 + ... + 48917.

It is an arithmetic number, because the mean of its divisors is an integer number (586740).

22249147 is an apocalyptic number.

2249147 is a deficient number, since it is larger than the sum of its proper divisors (97813).

2249147 is an equidigital number, since it uses as much as digits as its factorization.

2249147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97812.

The product of its digits is 4032, while the sum is 29.

The square root of 2249147 is about 1499.7156397131. The cubic root of 2249147 is about 131.0205084144.

The spelling of 2249147 in words is "two million, two hundred forty-nine thousand, one hundred forty-seven".

Divisors: 1 23 97789 2249147