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214403244 = 223117122877
BaseRepresentation
bin11001100011110…
…00100010101100
3112221102210221220
430301320202230
5414341400434
633135223340
75212253226
oct1461704254
9487383856
10214403244
11100030370
125b977b50
133555b133
1420691416
1513c51d49
hexcc788ac

214403244 has 48 divisors (see below), whose sum is σ = 553464576. Its totient is φ = 64052800.

The previous prime is 214403243. The next prime is 214403249. The reversal of 214403244 is 442304412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214403243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2067 + ... + 20810.

It is an arithmetic number, because the mean of its divisors is an integer number (11530512).

Almost surely, 2214403244 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 214403244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276732288).

214403244 is an abundant number, since it is smaller than the sum of its proper divisors (339061332).

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

214403244 is a wasteful number, since it uses less digits than its factorization.

214403244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22966 (or 22964 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 214403244 is about 14642.5149479179. The cubic root of 214403244 is about 598.5178640251.

Adding to 214403244 its reverse (442304412), we get a palindrome (656707656).

The spelling of 214403244 in words is "two hundred fourteen million, four hundred three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 71 132 142 213 284 426 781 852 1562 2343 3124 4686 9372 22877 45754 68631 91508 137262 251647 274524 503294 754941 1006588 1509882 1624267 3019764 3248534 4872801 6497068 9745602 17866937 19491204 35733874 53600811 71467748 107201622 214403244