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49345169 = 172902657
BaseRepresentation
bin1011110000111…
…1001010010001
310102211222211212
42330033022101
5100113021134
64521345505
71136266316
oct274171221
9112758755
1049345169
1125943835
1214638295
13a2b9333
1467a6d0d
1544eabce
hex2f0f291

49345169 has 4 divisors (see below), whose sum is σ = 52247844. Its totient is φ = 46442496.

The previous prime is 49345133. The next prime is 49345183. The reversal of 49345169 is 96154394.

49345169 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 can be written as a sum of positive squares in 2 ways, for example, as 31494544 + 17850625 = 5612^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 49345169 - 212 = 49341073 is a prime.

It is a super-2 number, since 2×493451692 = 4869891407277122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49345199) 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, 1451312 + ... + 1451345.

It is an arithmetic number, because the mean of its divisors is an integer number (13061961).

Almost surely, 249345169 is an apocalyptic number.

It is an amenable number.

49345169 is a deficient number, since it is larger than the sum of its proper divisors (2902675).

49345169 is a wasteful number, since it uses less digits than its factorization.

49345169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902674.

The product of its digits is 116640, while the sum is 41.

The square root of 49345169 is about 7024.6116618643. The cubic root of 49345169 is about 366.7877986378.

The spelling of 49345169 in words is "forty-nine million, three hundred forty-five thousand, one hundred sixty-nine".

Divisors: 1 17 2902657 49345169