Search a number
-
+
211426200 = 23345231421
BaseRepresentation
bin11001001101000…
…01101110011000
3112201211120020000
430212201232120
5413111114300
632551333000
75145043626
oct1446415630
9481746200
10211426200
11a93876a7
125a981160
1334a5807b
1420118516
1513864c00
hexc9a1b98

211426200 has 240 divisors, whose sum is σ = 759802560. Its totient is φ = 54432000.

The previous prime is 211426181. The next prime is 211426213. The reversal of 211426200 is 2624112.

211426200 is a `hidden beast` number, since 2 + 1 + 1 + 42 + 620 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 501990 + ... + 502410.

It is an arithmetic number, because the mean of its divisors is an integer number (3165844).

Almost surely, 2211426200 is an apocalyptic number.

211426200 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 211426200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379901280).

211426200 is an abundant number, since it is smaller than the sum of its proper divisors (548376360).

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

211426200 is a wasteful number, since it uses less digits than its factorization.

211426200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 211426200 is about 14540.5020546060. The cubic root of 211426200 is about 595.7347512692.

The spelling of 211426200 in words is "two hundred eleven million, four hundred twenty-six thousand, two hundred".