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4211345 = 53172657
BaseRepresentation
bin10000000100001010010001
321220221212202
4100010022101
52034230340
6230132545
750536655
oct20041221
97827782
104211345
112417056
1214b1155
13b45b28
147b8a65
15582c15
hex404291

4211345 has 8 divisors (see below), whose sum is σ = 5071464. Its totient is φ = 3357184.

The previous prime is 4211321. The next prime is 4211371. The reversal of 4211345 is 5431124.

It can be written as a sum of positive squares in 4 ways, for example, as 66049 + 4145296 = 257^2 + 2036^2 .

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 4211345 - 26 = 4211281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (633933).

Almost surely, 24211345 is an apocalyptic number.

It is an amenable number.

4211345 is a deficient number, since it is larger than the sum of its proper divisors (860119).

4211345 is a wasteful number, since it uses less digits than its factorization.

4211345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979.

The product of its digits is 480, while the sum is 20.

The square root of 4211345 is about 2052.1561831401. The cubic root of 4211345 is about 161.4880065985.

Adding to 4211345 its reverse (5431124), we get a palindrome (9642469).

The spelling of 4211345 in words is "four million, two hundred eleven thousand, three hundred forty-five".

Divisors: 1 5 317 1585 2657 13285 842269 4211345