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49979936 = 253150383
BaseRepresentation
bin1011111010101…
…0001000100000
310111001020120202
42332222020200
5100243324221
64543124332
71144552046
oct276521040
9114036522
1049979936
1126237736
12148a36a8
13a47c236
1468d0396
1545c3d0b
hex2faa220

49979936 has 24 divisors (see below), whose sum is σ = 101574144. Its totient is φ = 24183360.

The previous prime is 49979921. The next prime is 49979939. The reversal of 49979936 is 63997994.

It is not an unprimeable number, because it can be changed into a prime (49979939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24200 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (4232256).

Almost surely, 249979936 is an apocalyptic number.

It is an amenable number.

49979936 is an abundant number, since it is smaller than the sum of its proper divisors (51594208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49979936 is a wasteful number, since it uses less digits than its factorization.

49979936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424 (or 50416 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 56.

The square root of 49979936 is about 7069.6489304632. The cubic root of 49979936 is about 368.3538656659.

The spelling of 49979936 in words is "forty-nine million, nine hundred seventy-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 50383 100766 201532 403064 806128 1561873 1612256 3123746 6247492 12494984 24989968 49979936