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214521300 = 2232527172003
BaseRepresentation
bin11001100100101…
…01010111010100
3112221122210220100
430302111113110
5414404140200
633141534100
75213254350
oct1462252724
9487583810
10214521300
11100101034
125ba14330
133559caa6
14206c2460
1513c76d00
hexcc955d4

214521300 has 216 divisors, whose sum is σ = 814072896. Its totient is φ = 46126080.

The previous prime is 214521287. The next prime is 214521311. The reversal of 214521300 is 3125412.

214521300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 106099 + ... + 108101.

It is an arithmetic number, because the mean of its divisors is an integer number (3768856).

Almost surely, 2214521300 is an apocalyptic number.

214521300 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 214521300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407036448).

214521300 is an abundant number, since it is smaller than the sum of its proper divisors (599551596).

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

214521300 is a wasteful number, since it uses less digits than its factorization.

214521300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 214521300 is about 14646.5456678358. The cubic root of 214521300 is about 598.6276970339.

Adding to 214521300 its reverse (3125412), we get a palindrome (217646712).

The spelling of 214521300 in words is "two hundred fourteen million, five hundred twenty-one thousand, three hundred".