Search a number
-
+
397484200 = 23526729663
BaseRepresentation
bin10111101100010…
…010000010101000
31000200221021211001
4113230102002220
51303223443300
6103235244344
712564363031
oct2754220250
91020837731
10397484200
11194407843
12b11496b4
1364470469
143ab0ba88
1524d6816a
hex17b120a8

397484200 has 48 divisors (see below), whose sum is σ = 937975680. Its totient is φ = 156615360.

The previous prime is 397484177. The next prime is 397484249. The reversal of 397484200 is 2484793.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 397484200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1432 + ... + 28231.

It is an arithmetic number, because the mean of its divisors is an integer number (19541160).

Almost surely, 2397484200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397484200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468987840).

397484200 is an abundant number, since it is smaller than the sum of its proper divisors (540491480).

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

397484200 is a wasteful number, since it uses less digits than its factorization.

397484200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29746 (or 29737 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 397484200 is about 19937.0057932479. The cubic root of 397484200 is about 735.2583354634.

The spelling of 397484200 in words is "three hundred ninety-seven million, four hundred eighty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 67 100 134 200 268 335 536 670 1340 1675 2680 3350 6700 13400 29663 59326 118652 148315 237304 296630 593260 741575 1186520 1483150 1987421 2966300 3974842 5932600 7949684 9937105 15899368 19874210 39748420 49685525 79496840 99371050 198742100 397484200