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214424244 = 22325956229
BaseRepresentation
bin11001100011111…
…01101010110100
3112221110212202200
430301331222310
5414343033434
633135504500
75212401366
oct1461755264
9487425680
10214424244
11100045121
125b988130
1335567868
1420698d36
1513c58199
hexcc7dab4

214424244 has 18 divisors (see below), whose sum is σ = 542016930. Its totient is φ = 71474736.

The previous prime is 214424233. The next prime is 214424269. The reversal of 214424244 is 442424412.

214424244 is a `hidden beast` number, since 214 + 424 + 24 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 191268900 + 23155344 = 13830^2 + 4812^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2978079 + ... + 2978150.

Almost surely, 2214424244 is an apocalyptic number.

It is an amenable number.

214424244 is an abundant number, since it is smaller than the sum of its proper divisors (327592686).

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

214424244 is a wasteful number, since it uses less digits than its factorization.

214424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956239 (or 5956234 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 214424244 is about 14643.2320202884. The cubic root of 214424244 is about 598.5374042531.

Adding to 214424244 its reverse (442424412), we get a palindrome (656848656).

The spelling of 214424244 in words is "two hundred fourteen million, four hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 5956229 11912458 17868687 23824916 35737374 53606061 71474748 107212122 214424244