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49404105 = 3251097869
BaseRepresentation
bin1011110001110…
…1100011001001
310102221222200200
42330131203021
5100121412410
64522522413
71136633202
oct274354311
9112858620
1049404105
1125984043
1214666409
13a30a0ca
1467c05a9
15450d3c0
hex2f1d8c9

49404105 has 12 divisors (see below), whose sum is σ = 85633860. Its totient is φ = 26348832.

The previous prime is 49404077. The next prime is 49404107. The reversal of 49404105 is 50140494.

It can be written as a sum of positive squares in 2 ways, for example, as 33315984 + 16088121 = 5772^2 + 4011^2 .

It is not a de Polignac number, because 49404105 - 25 = 49404073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49404107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548890 + ... + 548979.

It is an arithmetic number, because the mean of its divisors is an integer number (7136155).

Almost surely, 249404105 is an apocalyptic number.

49404105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49404105 is a deficient number, since it is larger than the sum of its proper divisors (36229755).

49404105 is a wasteful number, since it uses less digits than its factorization.

49404105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097880 (or 1097877 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 49404105 is about 7028.8053750264. The cubic root of 49404105 is about 366.9337663564.

Adding to 49404105 its reverse (50140494), we get a palindrome (99544599).

It can be divided in two parts, 4940 and 4105, that added together give a triangular number (9045 = T134).

The spelling of 49404105 in words is "forty-nine million, four hundred four thousand, one hundred five".

Divisors: 1 3 5 9 15 45 1097869 3293607 5489345 9880821 16468035 49404105