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49919705 = 5117911489
BaseRepresentation
bin1011111001101…
…1011011011001
310110221011221222
42332123123121
5100234412310
64541541425
71144211333
oct276333331
9113834858
1049919705
11261a6460
1214874875
13a45a9b4
1468b6453
1545b1055
hex2f9b6d9

49919705 has 16 divisors (see below), whose sum is σ = 66182400. Its totient is φ = 35842560.

The previous prime is 49919659. The next prime is 49919719. The reversal of 49919705 is 50791994.

It is not a de Polignac number, because 49919705 - 212 = 49915609 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1400 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (4136400).

Almost surely, 249919705 is an apocalyptic number.

It is an amenable number.

49919705 is a deficient number, since it is larger than the sum of its proper divisors (16262695).

49919705 is a wasteful number, since it uses less digits than its factorization.

49919705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11584.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 49919705 is about 7065.3878166736. The cubic root of 49919705 is about 368.2058379992.

The spelling of 49919705 in words is "forty-nine million, nine hundred nineteen thousand, seven hundred five".

Divisors: 1 5 11 55 79 395 869 4345 11489 57445 126379 631895 907631 4538155 9983941 49919705