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3384745 = 571343173
BaseRepresentation
bin1100111010010110101001
320100221222221
430322112221
51331302440
6200314041
740525030
oct14722651
96327887
103384745
111a02011
121172921
13916810
14641717
1546cd4a
hex33a5a9

3384745 has 32 divisors (see below), whose sum is σ = 5144832. Its totient is φ = 2080512.

The previous prime is 3384743. The next prime is 3384767. The reversal of 3384745 is 5474833.

3384745 = T64 + T65 + ... + T273.

It is a happy number.

It is not a de Polignac number, because 3384745 - 21 = 3384743 is a prime.

It is a super-2 number, since 2×33847452 = 22912997430050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3384745.

It is not an unprimeable number, because it can be changed into a prime (3384743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19479 + ... + 19651.

It is an arithmetic number, because the mean of its divisors is an integer number (160776).

Almost surely, 23384745 is an apocalyptic number.

3384745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3384745 is a deficient number, since it is larger than the sum of its proper divisors (1760087).

3384745 is a wasteful number, since it uses less digits than its factorization.

3384745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 40320, while the sum is 34.

The square root of 3384745 is about 1839.7676483730. The cubic root of 3384745 is about 150.1442316408.

The spelling of 3384745 in words is "three million, three hundred eighty-four thousand, seven hundred forty-five".

Divisors: 1 5 7 13 35 43 65 91 173 215 301 455 559 865 1211 1505 2249 2795 3913 6055 7439 11245 15743 19565 37195 52073 78715 96707 260365 483535 676949 3384745