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3387109 = 11307919
BaseRepresentation
bin1100111010111011100101
320101002020111
430322323211
51331341414
6200333021
740534645
oct14727345
96332214
103387109
111a03870
121174171
1391790b
14642525
1546d8c4
hex33aee5

3387109 has 4 divisors (see below), whose sum is σ = 3695040. Its totient is φ = 3079180.

The previous prime is 3387107. The next prime is 3387119. The reversal of 3387109 is 9017833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3387109 - 21 = 3387107 is a prime.

It is a super-2 number, since 2×33871092 = 22945014755762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153949 + ... + 153970.

It is an arithmetic number, because the mean of its divisors is an integer number (923760).

Almost surely, 23387109 is an apocalyptic number.

It is an amenable number.

3387109 is a deficient number, since it is larger than the sum of its proper divisors (307931).

3387109 is a wasteful number, since it uses less digits than its factorization.

3387109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307930.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3387109 is about 1840.4100086665. The cubic root of 3387109 is about 150.1791784745.

It can be divided in two parts, 338 and 7109, that added together give a palindrome (7447).

The spelling of 3387109 in words is "three million, three hundred eighty-seven thousand, one hundred nine".

Divisors: 1 11 307919 3387109