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49813775 = 5211181141
BaseRepresentation
bin1011111000000…
…1100100001111
310110201210122122
42332001210033
5100223020100
64535403155
71143260444
oct276014417
9113653578
1049813775
1126133910
12148234bb
13a42170b
1468899cb
15458e985
hex2f8190f

49813775 has 12 divisors (see below), whose sum is σ = 67384824. Its totient is φ = 36228000.

The previous prime is 49813739. The next prime is 49813789. The reversal of 49813775 is 57731894.

49813775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49813775 - 212 = 49809679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90296 + ... + 90845.

It is an arithmetic number, because the mean of its divisors is an integer number (5615402).

Almost surely, 249813775 is an apocalyptic number.

49813775 is a deficient number, since it is larger than the sum of its proper divisors (17571049).

49813775 is a wasteful number, since it uses less digits than its factorization.

49813775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181162 (or 181157 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 49813775 is about 7057.8874318028. The cubic root of 49813775 is about 367.9452083477.

The spelling of 49813775 in words is "forty-nine million, eight hundred thirteen thousand, seven hundred seventy-five".

Divisors: 1 5 11 25 55 275 181141 905705 1992551 4528525 9962755 49813775