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3670905745 = 51356475473
BaseRepresentation
bin1101101011001101…
…1001001110010001
3100110211110100000001
43122303121032101
530004222440440
61404132130001
7156653120053
oct33263311621
910424410001
103670905745
111614148901
12865466901
134666a7ca0
1426b7698d3
1516741ab9a
hexdacd9391

3670905745 has 8 divisors (see below), whose sum is σ = 4743939816. Its totient is φ = 2710822656.

The previous prime is 3670905739. The next prime is 3670905779. The reversal of 3670905745 is 5475090763.

It is a Cunningham number, because it is equal to 605882+1.

It can be written as a sum of positive squares in 4 ways, for example, as 543076416 + 3127829329 = 23304^2 + 55927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3670905745 - 23 = 3670905737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3670905695 and 3670905704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28237672 + ... + 28237801.

It is an arithmetic number, because the mean of its divisors is an integer number (592992477).

Almost surely, 23670905745 is an apocalyptic number.

It is an amenable number.

3670905745 is a deficient number, since it is larger than the sum of its proper divisors (1073034071).

3670905745 is a wasteful number, since it uses less digits than its factorization.

3670905745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56475491.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 3670905745 is about 60588.0000082525. Note that the first 5 decimals coincide. The cubic root of 3670905745 is about 1542.6156909270.

The spelling of 3670905745 in words is "three billion, six hundred seventy million, nine hundred five thousand, seven hundred forty-five".

Divisors: 1 5 13 65 56475473 282377365 734181149 3670905745