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2939091 = 31951563
BaseRepresentation
bin1011001101100011010011
312112022200020
423031203103
51223022331
6142554523
733660531
oct13154323
95468606
102939091
111728201
12b98a43
137bba0c
14567151
153d0c96
hex2cd8d3

2939091 has 8 divisors (see below), whose sum is σ = 4125120. Its totient is φ = 1856232.

The previous prime is 2939087. The next prime is 2939107. The reversal of 2939091 is 1909392.

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

It is not a de Polignac number, because 2939091 - 22 = 2939087 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2939071) 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, 25725 + ... + 25838.

It is an arithmetic number, because the mean of its divisors is an integer number (515640).

22939091 is an apocalyptic number.

2939091 is a deficient number, since it is larger than the sum of its proper divisors (1186029).

2939091 is a wasteful number, since it uses less digits than its factorization.

2939091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51585.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 2939091 is about 1714.3777296734. The cubic root of 2939091 is about 143.2422093720.

The spelling of 2939091 in words is "two million, nine hundred thirty-nine thousand, ninety-one".

Divisors: 1 3 19 57 51563 154689 979697 2939091