Search a number
-
+
208034400 = 25352722961
BaseRepresentation
bin11000110011001…
…01101001100000
3112111110020112210
430121211221200
5411224100100
632350522120
75104156200
oct1431455140
9474406483
10208034400
11a7480362
1259806340
133413b2a2
141d8b4400
15133e4c50
hexc665a60

208034400 has 432 divisors, whose sum is σ = 828228240. Its totient is φ = 45158400.

The previous prime is 208034383. The next prime is 208034441. The reversal of 208034400 is 4430802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3410370 + ... + 3410430.

It is an arithmetic number, because the mean of its divisors is an integer number (1917195).

Almost surely, 2208034400 is an apocalyptic number.

208034400 is a gapful number since it is divisible by the number (20) 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 208034400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414114120).

208034400 is an abundant number, since it is smaller than the sum of its proper divisors (620193840).

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

208034400 is a wasteful number, since it uses less digits than its factorization.

208034400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 208034400 is about 14423.3976579723. The cubic root of 208034400 is about 592.5318752992.

The spelling of 208034400 in words is "two hundred eight million, thirty-four thousand, four hundred".