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49919883 = 3131279997
BaseRepresentation
bin1011111001101…
…1011110001011
310110221012012120
42332123132023
5100234414013
64541542323
71144212006
oct276333613
9113835176
1049919883
11261a6602
12148749a3
13a45aac0
1468b653d
1545b1123
hex2f9b78b

49919883 has 8 divisors (see below), whose sum is σ = 71679888. Its totient is φ = 30719904.

The previous prime is 49919879. The next prime is 49919921. The reversal of 49919883 is 38891994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49919883 - 22 = 49919879 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (49919813) 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 7 ways as a sum of consecutive naturals, for example, 639960 + ... + 640037.

It is an arithmetic number, because the mean of its divisors is an integer number (8959986).

Almost surely, 249919883 is an apocalyptic number.

49919883 is a deficient number, since it is larger than the sum of its proper divisors (21760005).

49919883 is a wasteful number, since it uses less digits than its factorization.

49919883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280013.

The product of its digits is 559872, while the sum is 51.

The square root of 49919883 is about 7065.4004132816. The cubic root of 49919883 is about 368.2062756390.

The spelling of 49919883 in words is "forty-nine million, nine hundred nineteen thousand, eight hundred eighty-three".

Divisors: 1 3 13 39 1279997 3839991 16639961 49919883