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325420 = 22553307
BaseRepresentation
bin1001111011100101100
3121112101121
41033130230
540403140
610550324
72523514
oct1173454
9545347
10325420
11202547
121383a4
13b5174
1486844
156664a
hex4f72c

325420 has 24 divisors (see below), whose sum is σ = 698544. Its totient is φ = 127296.

The previous prime is 325411. The next prime is 325421. The reversal of 325420 is 24523.

It is a junction number, because it is equal to n+sod(n) for n = 325394 and 325403.

It is not an unprimeable number, because it can be changed into a prime (325421) by changing a digit.

325420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 907 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (29106).

2325420 is an apocalyptic number.

It is an amenable number.

325420 is an abundant number, since it is smaller than the sum of its proper divisors (373124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325420 is a wasteful number, since it uses less digits than its factorization.

325420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 325420 is about 570.4559579845. The cubic root of 325420 is about 68.7830474727.

Adding to 325420 its reverse (24523), we get a palindrome (349943).

The spelling of 325420 in words is "three hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 307 530 614 1060 1228 1535 3070 6140 16271 32542 65084 81355 162710 325420