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2941009 = 16318043
BaseRepresentation
bin1011001110000001010001
312112102022021
423032001101
51223103014
6143011441
733666241
oct13160121
95472267
102941009
111729695
12b99b81
137bc856
14567b21
153d1624
hex2ce051

2941009 has 4 divisors (see below), whose sum is σ = 2959216. Its totient is φ = 2922804.

The previous prime is 2941007. The next prime is 2941031. The reversal of 2941009 is 9001492.

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 a cyclic number.

It is not a de Polignac number, because 2941009 - 21 = 2941007 is a prime.

It is a Duffinian number.

2941009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2941007) 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, 8859 + ... + 9184.

It is an arithmetic number, because the mean of its divisors is an integer number (739804).

22941009 is an apocalyptic number.

It is an amenable number.

2941009 is a deficient number, since it is larger than the sum of its proper divisors (18207).

2941009 is a wasteful number, since it uses less digits than its factorization.

2941009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2941009 is about 1714.9370250828. The cubic root of 2941009 is about 143.2733617267.

The spelling of 2941009 in words is "two million, nine hundred forty-one thousand, nine".

Divisors: 1 163 18043 2941009