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3109089 = 31036363
BaseRepresentation
bin1011110111000011100001
312211221212110
423313003201
51243442324
6150345533
735266254
oct13670341
95757773
103109089
1118339a5
12105b2a9
1384b1c9
145ad09b
15416329
hex2f70e1

3109089 has 4 divisors (see below), whose sum is σ = 4145456. Its totient is φ = 2072724.

The previous prime is 3109081. The next prime is 3109091. The reversal of 3109089 is 9809013.

It is a happy number.

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 not a de Polignac number, because 3109089 - 23 = 3109081 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109081) 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, 518179 + ... + 518184.

It is an arithmetic number, because the mean of its divisors is an integer number (1036364).

Almost surely, 23109089 is an apocalyptic number.

It is an amenable number.

3109089 is a deficient number, since it is larger than the sum of its proper divisors (1036367).

3109089 is a wasteful number, since it uses less digits than its factorization.

3109089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036366.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3109089 is about 1763.2608995835. The cubic root of 3109089 is about 145.9523363522.

The spelling of 3109089 in words is "three million, one hundred nine thousand, eighty-nine".

Divisors: 1 3 1036363 3109089