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3423865 = 5684773
BaseRepresentation
bin1101000011111001111001
320102221122211
431003321321
51334030430
6201215121
741050054
oct15037171
96387584
103423865
111a29445
1211914a1
1392b573
14651a9b
1547972a
hex343e79

3423865 has 4 divisors (see below), whose sum is σ = 4108644. Its totient is φ = 2739088.

The previous prime is 3423863. The next prime is 3423877. The reversal of 3423865 is 5683243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 2862864 = 749^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423865 - 21 = 3423863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3423863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342382 + ... + 342391.

It is an arithmetic number, because the mean of its divisors is an integer number (1027161).

Almost surely, 23423865 is an apocalyptic number.

It is an amenable number.

3423865 is a deficient number, since it is larger than the sum of its proper divisors (684779).

3423865 is an equidigital number, since it uses as much as digits as its factorization.

3423865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684778.

The product of its digits is 17280, while the sum is 31.

The square root of 3423865 is about 1850.3688821422. The cubic root of 3423865 is about 150.7204599686.

The spelling of 3423865 in words is "three million, four hundred twenty-three thousand, eight hundred sixty-five".

Divisors: 1 5 684773 3423865