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449000049 = 3149666683
BaseRepresentation
bin11010110000110…
…011001001110001
31011021212120021110
4122300303021301
51404421000144
6112315343533
714061303021
oct3260631161
91137776243
10449000049
112104a3423
12106451ba9
1372039804
14438bba81
15296420b9
hex1ac33271

449000049 has 4 divisors (see below), whose sum is σ = 598666736. Its totient is φ = 299333364.

The previous prime is 449000033. The next prime is 449000081. The reversal of 449000049 is 940000944.

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 449000049 - 24 = 449000033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449000009) 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, 74833339 + ... + 74833344.

It is an arithmetic number, because the mean of its divisors is an integer number (149666684).

Almost surely, 2449000049 is an apocalyptic number.

It is an amenable number.

449000049 is a deficient number, since it is larger than the sum of its proper divisors (149666687).

449000049 is a wasteful number, since it uses less digits than its factorization.

449000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149666686.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 449000049 is about 21189.6212566435. The cubic root of 449000049 is about 765.7414026410.

The spelling of 449000049 in words is "four hundred forty-nine million, forty-nine", and thus it is an aban number.

Divisors: 1 3 149666683 449000049