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4259905 = 51365537
BaseRepresentation
bin10000010000000001000001
322000102111021
4100100001001
52042304110
6231145441
751131356
oct20200101
98012437
104259905
11244a591
121515281
13b61c70
147cc62d
155922da
hex410041

4259905 has 8 divisors (see below), whose sum is σ = 5505192. Its totient is φ = 3145728.

The previous prime is 4259903. The next prime is 4259909. The reversal of 4259905 is 5099524.

4259905 is nontrivially palindromic in base 2 and base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 3225616 = 1017^2 + 1796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(4259905) divides (4259905-1)4.

It is a cyclic number.

It is not a de Polignac number, because 4259905 - 21 = 4259903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4259903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32704 + ... + 32833.

It is an arithmetic number, because the mean of its divisors is an integer number (688149).

It is a Poulet number, since it divides 24259904-1.

Almost surely, 24259905 is an apocalyptic number.

It is an amenable number.

4259905 is a deficient number, since it is larger than the sum of its proper divisors (1245287).

4259905 is a wasteful number, since it uses less digits than its factorization.

4259905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65555.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 4259905 is about 2063.9537301015. The cubic root of 4259905 is about 162.1063291183.

The spelling of 4259905 in words is "four million, two hundred fifty-nine thousand, nine hundred five".

Divisors: 1 5 13 65 65537 327685 851981 4259905