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324213425 = 523729473
BaseRepresentation
bin10011010100110…
…001101010110001
3211121001202012122
4103110301222301
51130444312200
652101004025
711014524434
oct2324615261
9747052178
10324213425
11157012388
12906b3615
1352227c83
14310b781b
151d6e3385
hex13531ab1

324213425 has 18 divisors (see below), whose sum is σ = 413227458. Its totient is φ = 252334080.

The previous prime is 324213419. The next prime is 324213427. The reversal of 324213425 is 524312423.

It can be written as a sum of positive squares in 9 ways, for example, as 16982641 + 307230784 = 4121^2 + 17528^2 .

It is not a de Polignac number, because 324213425 - 26 = 324213361 is a prime.

It is a super-2 number, since 2×3242134252 = 210228689900461250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324213394 and 324213403.

It is not an unprimeable number, because it can be changed into a prime (324213427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29489 + ... + 38961.

It is an arithmetic number, because the mean of its divisors is an integer number (22957081).

Almost surely, 2324213425 is an apocalyptic number.

It is an amenable number.

324213425 is a deficient number, since it is larger than the sum of its proper divisors (89014033).

324213425 is an equidigital number, since it uses as much as digits as its factorization.

324213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9515 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 324213425 is about 18005.9274962441. The cubic root of 324213425 is about 686.9793214658.

Adding to 324213425 its reverse (524312423), we get a palindrome (848525848).

The spelling of 324213425 in words is "three hundred twenty-four million, two hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 1369 6845 9473 34225 47365 236825 350501 1752505 8762525 12968537 64842685 324213425