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3139091 = 31109929
BaseRepresentation
bin1011111110011000010011
312220111000122
423332120103
51300422331
6151140455
735452604
oct13763023
95814018
103139091
11185449a
12107472b
1385ba67
145b9dab
1542017b
hex2fe613

3139091 has 8 divisors (see below), whose sum is σ = 3273600. Its totient is φ = 3006720.

The previous prime is 3139069. The next prime is 3139111. The reversal of 3139091 is 1909313.

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

It is a cyclic number.

It is not a de Polignac number, because 3139091 - 210 = 3138067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3139091.

It is not an unprimeable number, because it can be changed into a prime (3139021) 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 7 ways as a sum of consecutive naturals, for example, 2915 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (409200).

Almost surely, 23139091 is an apocalyptic number.

3139091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3139091 is a deficient number, since it is larger than the sum of its proper divisors (134509).

3139091 is a wasteful number, since it uses less digits than its factorization.

3139091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3139091 is about 1771.7480069129. The cubic root of 3139091 is about 146.4203032299.

The spelling of 3139091 in words is "three million, one hundred thirty-nine thousand, ninety-one".

Divisors: 1 31 109 929 3379 28799 101261 3139091