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2290229 = 73137229
BaseRepresentation
bin1000101111001000110101
311022100121022
420233020311
51041241404
6121030525
725316024
oct10571065
94270538
102290229
111324757
12925445
13622586
144388bb
153038be
hex22f235

2290229 has 8 divisors (see below), whose sum is σ = 2348760. Its totient is φ = 2232576.

The previous prime is 2290213. The next prime is 2290231. The reversal of 2290229 is 9220922.

2290229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1020100 + 1270129 = 1010^2 + 1127^2 .

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 2290229 - 24 = 2290213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2290198 and 2290207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290259) 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 7 ways as a sum of consecutive naturals, for example, 9887 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (293595).

22290229 is an apocalyptic number.

It is an amenable number.

2290229 is a deficient number, since it is larger than the sum of its proper divisors (58531).

2290229 is a wasteful number, since it uses less digits than its factorization.

2290229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2290229 is about 1513.3502568804. The cubic root of 2290229 is about 131.8134225068.

The spelling of 2290229 in words is "two million, two hundred ninety thousand, two hundred twenty-nine".

Divisors: 1 73 137 229 10001 16717 31373 2290229