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49392005 = 5136112457
BaseRepresentation
bin1011110001101…
…0100110000101
310102221101002112
42330122212011
5100121021010
64522350405
71136553005
oct274324605
9112841075
1049392005
1125975a43
121465b405
13a304750
1467ba005
154509a05
hex2f1a985

49392005 has 16 divisors (see below), whose sum is σ = 64881264. Its totient is φ = 35873280.

The previous prime is 49391939. The next prime is 49392011. The reversal of 49392005 is 50029394.

49392005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7219969 + 42172036 = 2687^2 + 6494^2 .

It is not a de Polignac number, because 49392005 - 222 = 45197701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2264 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (4055079).

Almost surely, 249392005 is an apocalyptic number.

It is an amenable number.

49392005 is a deficient number, since it is larger than the sum of its proper divisors (15489259).

49392005 is a wasteful number, since it uses less digits than its factorization.

49392005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49392005 is about 7027.9445786090. The cubic root of 49392005 is about 366.9038075699.

The spelling of 49392005 in words is "forty-nine million, three hundred ninety-two thousand, five".

Divisors: 1 5 13 61 65 305 793 3965 12457 62285 161941 759877 809705 3799385 9878401 49392005