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3881109 = 36719309
BaseRepresentation
bin1110110011100010010101
321022011212210
432303202111
51443143414
6215104033
744663121
oct16634225
97264783
103881109
112210a31
121372019
13a5b71b
14730581
15519e59
hex3b3895

3881109 has 8 divisors (see below), whose sum is σ = 5252320. Its totient is φ = 2548656.

The previous prime is 3881093. The next prime is 3881113. The reversal of 3881109 is 9011883.

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

It is not a de Polignac number, because 3881109 - 24 = 3881093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9454 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (656540).

Almost surely, 23881109 is an apocalyptic number.

It is an amenable number.

3881109 is a deficient number, since it is larger than the sum of its proper divisors (1371211).

3881109 is a wasteful number, since it uses less digits than its factorization.

3881109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19379.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 3881109 is about 1970.0530449711. The cubic root of 3881109 is about 157.1515299031.

The spelling of 3881109 in words is "three million, eight hundred eighty-one thousand, one hundred nine".

Divisors: 1 3 67 201 19309 57927 1293703 3881109