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214612128 = 2532745181
BaseRepresentation
bin11001100101010…
…11100010100000
3112221211102111100
430302223202200
5414420042003
633143514400
75214113223
oct1462534240
9487742440
10214612128
111001632a5
125ba58a00
1335602233
14207075ba
1513c93ba3
hexccab8a0

214612128 has 36 divisors (see below), whose sum is σ = 610304058. Its totient is φ = 71537280.

The previous prime is 214612127. The next prime is 214612129. The reversal of 214612128 is 821216412.

214612128 is a `hidden beast` number, since 21 + 4 + 612 + 1 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (214612127) and next prime (214612129).

It can be written as a sum of positive squares in only one way, i.e., 207705744 + 6906384 = 14412^2 + 2628^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (214612127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372303 + ... + 372878.

Almost surely, 2214612128 is an apocalyptic number.

It is an amenable number.

214612128 is an abundant number, since it is smaller than the sum of its proper divisors (395691930).

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

214612128 is a wasteful number, since it uses less digits than its factorization.

214612128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745197 (or 745186 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 214612128 is about 14649.6460025490. The cubic root of 214612128 is about 598.7121711390.

The spelling of 214612128 in words is "two hundred fourteen million, six hundred twelve thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 745181 1490362 2235543 2980724 4471086 5961448 6706629 8942172 11922896 13413258 17884344 23845792 26826516 35768688 53653032 71537376 107306064 214612128