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3509106049 = 4937710777
BaseRepresentation
bin1101000100101000…
…1011010110000001
3100001120000001112201
43101022023112001
524141312343144
61340112153201
7152646623611
oct32112132601
910046001481
103509106049
111540887349
1281b238801
1343c007317
1425408ca41
1515810a1d4
hexd128b581

3509106049 has 4 divisors (see below), whose sum is σ = 3509821764. Its totient is φ = 3508390336.

The previous prime is 3509106023. The next prime is 3509106061. The reversal of 3509106049 is 9406019053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9406019053 = 26335764331.

It can be written as a sum of positive squares in 2 ways, for example, as 2534417649 + 974688400 = 50343^2 + 31220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3509106049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3509105999 and 3509106017.

It is not an unprimeable number, because it can be changed into a prime (3509106089) 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, 350452 + ... + 360325.

It is an arithmetic number, because the mean of its divisors is an integer number (877455441).

Almost surely, 23509106049 is an apocalyptic number.

It is an amenable number.

3509106049 is a deficient number, since it is larger than the sum of its proper divisors (715715).

3509106049 is an equidigital number, since it uses as much as digits as its factorization.

3509106049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715714.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3509106049 is about 59237.7079992128. The cubic root of 3509106049 is about 1519.6100755644.

The spelling of 3509106049 in words is "three billion, five hundred nine million, one hundred six thousand, forty-nine".

Divisors: 1 4937 710777 3509106049