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2009413 = 7287059
BaseRepresentation
bin111101010100101000101
310210002101201
413222211011
51003300123
6111022501
723036230
oct7524505
93702351
102009413
11115277a
1280aa31
13554803
143a4417
1529a5ad
hex1ea945

2009413 has 4 divisors (see below), whose sum is σ = 2296480. Its totient is φ = 1722348.

The previous prime is 2009407. The next prime is 2009437. The reversal of 2009413 is 3149002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3149002 = 21574501.

It is a cyclic number.

It is not a de Polignac number, because 2009413 - 29 = 2008901 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 (2009113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143523 + ... + 143536.

It is an arithmetic number, because the mean of its divisors is an integer number (574120).

22009413 is an apocalyptic number.

It is an amenable number.

2009413 is a deficient number, since it is larger than the sum of its proper divisors (287067).

2009413 is an equidigital number, since it uses as much as digits as its factorization.

2009413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287066.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2009413 is about 1417.5376538209. The cubic root of 2009413 is about 126.1894563153.

The spelling of 2009413 in words is "two million, nine thousand, four hundred thirteen".

Divisors: 1 7 287059 2009413