Search a number
-
+
325395840 = 27357113171
BaseRepresentation
bin10011011001010…
…010010110000000
3211200021211011210
4103121102112000
51131300131330
652142210120
711030550630
oct2331222600
9750254153
10325395840
1115774a790
1290b83940
1352550223
14313046c0
151d8788b0
hex13652580

325395840 has 512 divisors, whose sum is σ = 1353646080. Its totient is φ = 64512000.

The previous prime is 325395823. The next prime is 325395853. The reversal of 325395840 is 48593523.

It is a congruent number.

It is an unprimeable 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 63 ways as a sum of consecutive naturals, for example, 4583005 + ... + 4583075.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840).

Almost surely, 2325395840 is an apocalyptic number.

325395840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325395840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676823040).

325395840 is an abundant number, since it is smaller than the sum of its proper divisors (1028250240).

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

325395840 is a wasteful number, since it uses less digits than its factorization.

325395840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 325395840 is about 18038.7316627306. The cubic root of 325395840 is about 687.8134522174.

The spelling of 325395840 in words is "three hundred twenty-five million, three hundred ninety-five thousand, eight hundred forty".