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3468181 = 26313187
BaseRepresentation
bin1101001110101110010101
320112012110011
431032232111
51341440211
6202200221
741323213
oct15165625
96465404
103468181
111a59772
1211b3071
139457a2
14663cb3
15487921
hex34eb95

3468181 has 4 divisors (see below), whose sum is σ = 3481632. Its totient is φ = 3454732.

The previous prime is 3468169. The next prime is 3468209. The reversal of 3468181 is 1818643.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1818643 = 17106979.

It is a cyclic number.

It is not a de Polignac number, because 3468181 - 29 = 3467669 is a prime.

It is a super-2 number, since 2×34681812 = 24056558897522, 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 (3468281) 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, 6331 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (870408).

Almost surely, 23468181 is an apocalyptic number.

It is an amenable number.

3468181 is a deficient number, since it is larger than the sum of its proper divisors (13451).

3468181 is a wasteful number, since it uses less digits than its factorization.

3468181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450.

The product of its digits is 4608, while the sum is 31.

The square root of 3468181 is about 1862.3052918359. The cubic root of 3468181 is about 151.3679461583.

The spelling of 3468181 in words is "three million, four hundred sixty-eight thousand, one hundred eighty-one".

Divisors: 1 263 13187 3468181