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49044643 = 1719151841
BaseRepresentation
bin1011101100010…
…1110010100011
310102021201121021
42323011302203
5100023412033
64511110311
71133605204
oct273056243
9112251537
1049044643
1125758a6a
1214512397
13a2125cb
1467295ab
15448bb2d
hex2ec5ca3

49044643 has 8 divisors (see below), whose sum is σ = 54663120. Its totient is φ = 43729920.

The previous prime is 49044637. The next prime is 49044661. The reversal of 49044643 is 34644094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49044643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49044599 and 49044608.

It is not an unprimeable number, because it can be changed into a prime (49044623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75598 + ... + 76243.

It is an arithmetic number, because the mean of its divisors is an integer number (6832890).

Almost surely, 249044643 is an apocalyptic number.

49044643 is a deficient number, since it is larger than the sum of its proper divisors (5618477).

49044643 is a wasteful number, since it uses less digits than its factorization.

49044643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151877.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 49044643 is about 7003.1880597339. The cubic root of 49044643 is about 366.0416681436.

The spelling of 49044643 in words is "forty-nine million, forty-four thousand, six hundred forty-three".

Divisors: 1 17 19 323 151841 2581297 2884979 49044643