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440040230 = 2576286289
BaseRepresentation
bin11010001110100…
…111101100100110
31010200000100201022
4122032213230212
51400122241410
6111355331142
713622165060
oct3216475446
91120010638
10440040230
11206433813
12103450ab2
1370220546
1442628730
1528972455
hex1a3a7b26

440040230 has 16 divisors (see below), whose sum is σ = 905225760. Its totient is φ = 150870912.

The previous prime is 440040221. The next prime is 440040253. The reversal of 440040230 is 32040044.

It is a junction number, because it is equal to n+sod(n) for n = 440040199 and 440040208.

It is a congruent 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, 3143075 + ... + 3143214.

It is an arithmetic number, because the mean of its divisors is an integer number (56576610).

Almost surely, 2440040230 is an apocalyptic number.

440040230 is an abundant number, since it is smaller than the sum of its proper divisors (465185530).

440040230 is a wasteful number, since it uses less digits than its factorization.

440040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286303.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 440040230 is about 20977.1358864836. The cubic root of 440040230 is about 760.6136721697.

Adding to 440040230 its reverse (32040044), we get a palindrome (472080274).

The spelling of 440040230 in words is "four hundred forty million, forty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 6286289 12572578 31431445 44004023 62862890 88008046 220020115 440040230