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48444449 = 227321313
BaseRepresentation
bin1011100011001…
…1010000100001
310101011020021212
42320303100201
544400210244
64450155505
71125525314
oct270632041
9111136255
1048444449
1125389039
1214282b95
13a062371
14661097b
1543bdd9e
hex2e33421

48444449 has 4 divisors (see below), whose sum is σ = 48468036. Its totient is φ = 48420864.

The previous prime is 48444437. The next prime is 48444457. The reversal of 48444449 is 94444484.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29084449 + 19360000 = 5393^2 + 4400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48444449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48444349) 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, 8384 + ... + 12929.

It is an arithmetic number, because the mean of its divisors is an integer number (12117009).

Almost surely, 248444449 is an apocalyptic number.

It is an amenable number.

48444449 is a deficient number, since it is larger than the sum of its proper divisors (23587).

48444449 is a wasteful number, since it uses less digits than its factorization.

48444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23586.

The product of its digits is 294912, while the sum is 41.

The square root of 48444449 is about 6960.2046665310. The cubic root of 48444449 is about 364.5423650974.

The spelling of 48444449 in words is "forty-eight million, four hundred forty-four thousand, four hundred forty-nine".

Divisors: 1 2273 21313 48444449