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2444249 = 4356843
BaseRepresentation
bin1001010100101111011001
311121011212202
421110233121
51111203444
6124215545
726530043
oct11245731
94534782
102444249
11141a445
1299a5b5
13677702
14478a93
1533434e
hex254bd9

2444249 has 4 divisors (see below), whose sum is σ = 2501136. Its totient is φ = 2387364.

The previous prime is 2444219. The next prime is 2444251. The reversal of 2444249 is 9424442.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9424442 = 24712221.

It is a cyclic number.

It is not a de Polignac number, because 2444249 - 28 = 2443993 is a prime.

It is a d-powerful number, because it can be written as 211 + 44 + 47 + 48 + 221 + 49 + 93 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444219) 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, 28379 + ... + 28464.

It is an arithmetic number, because the mean of its divisors is an integer number (625284).

22444249 is an apocalyptic number.

It is an amenable number.

2444249 is a deficient number, since it is larger than the sum of its proper divisors (56887).

2444249 is an equidigital number, since it uses as much as digits as its factorization.

2444249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56886.

The product of its digits is 9216, while the sum is 29.

The square root of 2444249 is about 1563.4094153484. The cubic root of 2444249 is about 134.7044104194.

The spelling of 2444249 in words is "two million, four hundred forty-four thousand, two hundred forty-nine".

Divisors: 1 43 56843 2444249