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438325 = 5289197
BaseRepresentation
bin1101011000000110101
3211021021021
41223000311
5103011300
613221141
73503626
oct1530065
9737237
10438325
1127a358
121917b1
13124684
14b5a4d
1589d1a
hex6b035

438325 has 12 divisors (see below), whose sum is σ = 552420. Its totient is φ = 344960.

The previous prime is 438313. The next prime is 438329. The reversal of 438325 is 523834.

It can be written as a sum of positive squares in 6 ways, for example, as 81 + 438244 = 9^2 + 662^2 .

It is not a de Polignac number, because 438325 - 217 = 307253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 438325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2127 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (46035).

2438325 is an apocalyptic number.

It is an amenable number.

438325 is a deficient number, since it is larger than the sum of its proper divisors (114095).

438325 is a wasteful number, since it uses less digits than its factorization.

438325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 291 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 438325 is about 662.0611754211. The cubic root of 438325 is about 75.9624121609.

The spelling of 438325 in words is "four hundred thirty-eight thousand, three hundred twenty-five".

Divisors: 1 5 25 89 197 445 985 2225 4925 17533 87665 438325