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49400089 = 139935311
BaseRepresentation
bin1011110001110…
…0100100011001
310102221210011221
42330130210121
5100121300324
64522452041
71136615404
oct274344431
9112853157
1049400089
1125981022
1214664021
13a30832b
1467bcd3b
15450c0e4
hex2f1c919

49400089 has 4 divisors (see below), whose sum is σ = 49436800. Its totient is φ = 49363380.

The previous prime is 49400083. The next prime is 49400107. The reversal of 49400089 is 98000494.

49400089 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49400089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49400083) 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, 16257 + ... + 19054.

It is an arithmetic number, because the mean of its divisors is an integer number (12359200).

Almost surely, 249400089 is an apocalyptic number.

It is an amenable number.

49400089 is a deficient number, since it is larger than the sum of its proper divisors (36711).

49400089 is a wasteful number, since it uses less digits than its factorization.

49400089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36710.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 49400089 is about 7028.5196876725. The cubic root of 49400089 is about 366.9238235528.

The spelling of 49400089 in words is "forty-nine million, four hundred thousand, eighty-nine".

Divisors: 1 1399 35311 49400089