Search a number
-
+
396308250 = 232531317797
BaseRepresentation
bin10111100111110…
…010111100011010
31000121201112201100
4113213302330122
51302423331000
6103154132230
712551364432
oct2747627432
91017645640
10396308250
11193784288
12b0881076
136414b130
143a8c32c2
1524bd4a00
hex179f2f1a

396308250 has 192 divisors, whose sum is σ = 1223468064. Its totient is φ = 91699200.

The previous prime is 396308219. The next prime is 396308273. The reversal of 396308250 is 52803693.

It can be written as a sum of positive squares in 16 ways, for example, as 27783441 + 368524809 = 5271^2 + 19197^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 496852 + ... + 497648.

Almost surely, 2396308250 is an apocalyptic number.

396308250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 396308250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611734032).

396308250 is an abundant number, since it is smaller than the sum of its proper divisors (827159814).

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

396308250 is a wasteful number, since it uses less digits than its factorization.

396308250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 396308250 is about 19907.4923081738. The cubic root of 396308250 is about 734.5325362953.

The spelling of 396308250 in words is "three hundred ninety-six million, three hundred eight thousand, two hundred fifty".