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425743 = 439901
BaseRepresentation
bin1100111111100001111
3210122000021
41213330033
5102110433
613043011
73422143
oct1477417
9718007
10425743
1127095a
12186467
1311ba26
14b1223
158622d
hex67f0f

425743 has 4 divisors (see below), whose sum is σ = 435688. Its totient is φ = 415800.

The previous prime is 425713. The next prime is 425779. The reversal of 425743 is 347524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-425743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425713) 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, 4908 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (108922).

2425743 is an apocalyptic number.

425743 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

425743 is a deficient number, since it is larger than the sum of its proper divisors (9945).

425743 is an equidigital number, since it uses as much as digits as its factorization.

425743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944.

The product of its digits is 3360, while the sum is 25.

The square root of 425743 is about 652.4898466643. The cubic root of 425743 is about 75.2285178356.

The spelling of 425743 in words is "four hundred twenty-five thousand, seven hundred forty-three".

Divisors: 1 43 9901 425743