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3493869 = 31164623
BaseRepresentation
bin1101010100111111101101
320120111200120
431110333231
51343300434
6202515153
741461131
oct15247755
96514616
103493869
111a76aa5
121205ab9
139543a2
1466d3c1
15490349
hex354fed

3493869 has 4 divisors (see below), whose sum is σ = 4658496. Its totient is φ = 2329244.

The previous prime is 3493859. The next prime is 3493883. The reversal of 3493869 is 9683943.

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 3493869 - 211 = 3491821 is a prime.

It is a super-2 number, since 2×34938692 = 24414241178322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3493869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493829) 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, 582309 + ... + 582314.

It is an arithmetic number, because the mean of its divisors is an integer number (1164624).

Almost surely, 23493869 is an apocalyptic number.

It is an amenable number.

3493869 is a deficient number, since it is larger than the sum of its proper divisors (1164627).

3493869 is a wasteful number, since it uses less digits than its factorization.

3493869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164626.

The product of its digits is 139968, while the sum is 42.

The square root of 3493869 is about 1869.1893965032. The cubic root of 3493869 is about 151.7407428399.

The spelling of 3493869 in words is "three million, four hundred ninety-three thousand, eight hundred sixty-nine".

Divisors: 1 3 1164623 3493869