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49648123 = 721013227
BaseRepresentation
bin1011110101100…
…1000111111011
310110102101102101
42331121013323
5100202214443
64532044231
71142000500
oct275310773
9113371371
1049648123
1126030408
1214763677
13a3941b5
1468454a7
15455a84d
hex2f591fb

49648123 has 6 divisors (see below), whose sum is σ = 57753996. Its totient is φ = 42555492.

The previous prime is 49648091. The next prime is 49648129. The reversal of 49648123 is 32184694.

It is not a de Polignac number, because 49648123 - 25 = 49648091 is a prime.

It is a super-2 number, since 2×496481232 = 4929872234846258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49648129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506565 + ... + 506662.

It is an arithmetic number, because the mean of its divisors is an integer number (9625666).

Almost surely, 249648123 is an apocalyptic number.

49648123 is a deficient number, since it is larger than the sum of its proper divisors (8105873).

49648123 is a wasteful number, since it uses less digits than its factorization.

49648123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013241 (or 1013234 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 49648123 is about 7046.1424197925. The cubic root of 49648123 is about 367.5368972780.

The spelling of 49648123 in words is "forty-nine million, six hundred forty-eight thousand, one hundred twenty-three".

Divisors: 1 7 49 1013227 7092589 49648123