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325423231 = 71722312263
BaseRepresentation
bin10011011001011…
…001000001111111
3211200100012202021
4103121121001333
51131302020411
652142541011
711031023530
oct2331310177
9750305667
10325423231
11157769321
1290b97767
135255c833
1431310687
151d881a71
hex1365907f

325423231 has 16 divisors (see below), whose sum is σ = 395587584. Its totient is φ = 261327744.

The previous prime is 325423187. The next prime is 325423243. The reversal of 325423231 is 132324523.

It is a cyclic number.

It is not a de Polignac number, because 325423231 - 29 = 325422719 is a prime.

It is a super-2 number, since 2×3254232312 = 211800558548958722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325423196 and 325423205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325423261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20406 + ... + 32668.

It is an arithmetic number, because the mean of its divisors is an integer number (24724224).

Almost surely, 2325423231 is an apocalyptic number.

325423231 is a deficient number, since it is larger than the sum of its proper divisors (70164353).

325423231 is a wasteful number, since it uses less digits than its factorization.

325423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510.

The product of its digits is 4320, while the sum is 25.

The square root of 325423231 is about 18039.4908741904. The cubic root of 325423231 is about 687.8327511423.

Adding to 325423231 its reverse (132324523), we get a palindrome (457747754).

The spelling of 325423231 in words is "three hundred twenty-five million, four hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 7 17 119 223 1561 3791 12263 26537 85841 208471 1459297 2734649 19142543 46489033 325423231