Search a number
-
+
440985 = 3529399
BaseRepresentation
bin1101011101010011001
3211101220210
41223222121
5103102420
613241333
73514446
oct1535231
9741823
10440985
11281356
12193249
1312594c
14b69cd
158a9e0
hex6ba99

440985 has 8 divisors (see below), whose sum is σ = 705600. Its totient is φ = 235184.

The previous prime is 440983. The next prime is 440987. The reversal of 440985 is 589044.

It is an interprime number because it is at equal distance from previous prime (440983) and next prime (440987).

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 440985 - 21 = 440983 is a prime.

440985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (440983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14685 + ... + 14714.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2440985 is an apocalyptic number.

It is an amenable number.

440985 is a deficient number, since it is larger than the sum of its proper divisors (264615).

440985 is a wasteful number, since it uses less digits than its factorization.

440985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29407.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 440985 is about 664.0670146905. The cubic root of 440985 is about 76.1157631001.

The spelling of 440985 in words is "four hundred forty thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 29399 88197 146995 440985