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2248149 = 3749383
BaseRepresentation
bin1000100100110111010101
311020012212210
420210313111
51033420044
6120104033
725052241
oct10446725
94205783
102248149
1112a6082
12905019
13609387
14427421
152e61b9
hex224dd5

2248149 has 4 divisors (see below), whose sum is σ = 2997536. Its totient is φ = 1498764.

The previous prime is 2248139. The next prime is 2248163. The reversal of 2248149 is 9418422.

2248149 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2248149 - 24 = 2248133 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248139) 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, 374689 + ... + 374694.

It is an arithmetic number, because the mean of its divisors is an integer number (749384).

22248149 is an apocalyptic number.

It is an amenable number.

2248149 is a deficient number, since it is larger than the sum of its proper divisors (749387).

2248149 is an equidigital number, since it uses as much as digits as its factorization.

2248149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749386.

The product of its digits is 4608, while the sum is 30.

The square root of 2248149 is about 1499.3828730514. The cubic root of 2248149 is about 131.0011265758.

The spelling of 2248149 in words is "two million, two hundred forty-eight thousand, one hundred forty-nine".

Divisors: 1 3 749383 2248149