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49880383 = 725471861
BaseRepresentation
bin1011111001000…
…1110100111111
310110212012000121
42332101310333
5100232133013
64541035411
71143655600
oct276216477
9113765017
1049880383
1126179963
1214855b67
13a445b27
1468a5da7
1545a458d
hex2f91d3f

49880383 has 12 divisors (see below), whose sum is σ = 58161432. Its totient is φ = 42653520.

The previous prime is 49880351. The next prime is 49880437. The reversal of 49880383 is 38308894.

It is not a de Polignac number, because 49880383 - 25 = 49880351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49880323) 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 11 ways as a sum of consecutive naturals, for example, 25873 + ... + 27733.

It is an arithmetic number, because the mean of its divisors is an integer number (4846786).

Almost surely, 249880383 is an apocalyptic number.

49880383 is a deficient number, since it is larger than the sum of its proper divisors (8281049).

49880383 is a wasteful number, since it uses less digits than its factorization.

49880383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 49880383 is about 7062.6045478987. The cubic root of 49880383 is about 368.1091334130.

The spelling of 49880383 in words is "forty-nine million, eight hundred eighty thousand, three hundred eighty-three".

Divisors: 1 7 49 547 1861 3829 13027 26803 91189 1017967 7125769 49880383