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49406983 = 71695873
BaseRepresentation
bin1011110001111…
…0010000000111
310102222010122021
42330132100013
5100122010413
64522544011
71136644453
oct274362007
9112863567
1049406983
112598621a
1214668007
13a30b502
1467c1663
15450e18d
hex2f1e407

49406983 has 4 divisors (see below), whose sum is σ = 50102928. Its totient is φ = 48711040.

The previous prime is 49406977. The next prime is 49406993. The reversal of 49406983 is 38960494.

49406983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49406983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49406933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 347866 + ... + 348007.

It is an arithmetic number, because the mean of its divisors is an integer number (12525732).

Almost surely, 249406983 is an apocalyptic number.

49406983 is a deficient number, since it is larger than the sum of its proper divisors (695945).

49406983 is an equidigital number, since it uses as much as digits as its factorization.

49406983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695944.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49406983 is about 7029.0101010028. The cubic root of 49406983 is about 366.9408913707.

The spelling of 49406983 in words is "forty-nine million, four hundred six thousand, nine hundred eighty-three".

Divisors: 1 71 695873 49406983