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325681240 = 23517478943
BaseRepresentation
bin10011011010011…
…000000001011000
3211200211022200011
4103122120001120
51131333244430
652152251304
711033146663
oct2332300130
9750738604
10325681240
11157925155
12910a0b34
13526200c1
143137a6da
151d8d322a
hex13698058

325681240 has 32 divisors (see below), whose sum is σ = 775889280. Its totient is φ = 122609152.

The previous prime is 325681199. The next prime is 325681241. The reversal of 325681240 is 42186523.

325681240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3256812403 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325681241) by changing a digit.

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, 238792 + ... + 240151.

It is an arithmetic number, because the mean of its divisors is an integer number (24246540).

Almost surely, 2325681240 is an apocalyptic number.

It is an amenable number.

325681240 is an abundant number, since it is smaller than the sum of its proper divisors (450208040).

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

325681240 is a wasteful number, since it uses less digits than its factorization.

325681240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478971 (or 478967 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 325681240 is about 18046.6406846260. The cubic root of 325681240 is about 688.0144838757.

The spelling of 325681240 in words is "three hundred twenty-five million, six hundred eighty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 478943 957886 1915772 2394715 3831544 4789430 8142031 9578860 16284062 19157720 32568124 40710155 65136248 81420310 162840620 325681240