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49288443 = 316429481
BaseRepresentation
bin1011110000000…
…1010011111011
310102202010000220
42330001103323
5100104212233
64520231123
71135642041
oct274012373
9112663026
1049288443
1125905156
121460b4a3
13a299579
146790391
1544d8eb3
hex2f014fb

49288443 has 4 divisors (see below), whose sum is σ = 65717928. Its totient is φ = 32858960.

The previous prime is 49288439. The next prime is 49288511. The reversal of 49288443 is 34488294.

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

It is a cyclic number.

It is not a de Polignac number, because 49288443 - 22 = 49288439 is a prime.

It is a super-2 number, since 2×492884432 = 4858701226728498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49288395 and 49288404.

It is not an unprimeable number, because it can be changed into a prime (49288643) 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, 8214738 + ... + 8214743.

It is an arithmetic number, because the mean of its divisors is an integer number (16429482).

Almost surely, 249288443 is an apocalyptic number.

49288443 is a deficient number, since it is larger than the sum of its proper divisors (16429485).

49288443 is a wasteful number, since it uses less digits than its factorization.

49288443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429484.

The product of its digits is 221184, while the sum is 42.

The square root of 49288443 is about 7020.5728398757. The cubic root of 49288443 is about 366.6471946501.

The spelling of 49288443 in words is "forty-nine million, two hundred eighty-eight thousand, four hundred forty-three".

Divisors: 1 3 16429481 49288443