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2269345 = 51334913
BaseRepresentation
bin1000101010000010100001
311021021221211
420222002201
51040104340
6120350121
725201111
oct10520241
94237854
102269345
11130aaa1
12915341
13615c10
14431041
152ec5ea
hex22a0a1

2269345 has 8 divisors (see below), whose sum is σ = 2932776. Its totient is φ = 1675776.

The previous prime is 2269343. The next prime is 2269349. The reversal of 2269345 is 5439622.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 2238016 = 177^2 + 1496^2 .

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 2269345 - 21 = 2269343 is a prime.

It is a d-powerful number, because it can be written as 27 + 217 + 65 + 92 + 311 + 42 + 59 .

It is a Duffinian number.

2269345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2269343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (366597).

22269345 is an apocalyptic number.

It is an amenable number.

2269345 is a deficient number, since it is larger than the sum of its proper divisors (663431).

2269345 is a wasteful number, since it uses less digits than its factorization.

2269345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34931.

The product of its digits is 12960, while the sum is 31.

The square root of 2269345 is about 1506.4345322648. The cubic root of 2269345 is about 131.4115410803.

The spelling of 2269345 in words is "two million, two hundred sixty-nine thousand, three hundred forty-five".

Divisors: 1 5 13 65 34913 174565 453869 2269345