Base | Representation |
---|---|
bin | 11001100010010… |
… | …11111000111101 |
3 | 112221002112002000 |
4 | 30301023320331 |
5 | 414320022344 |
6 | 33131252513 |
7 | 5210562060 |
oct | 1461137075 |
9 | 487075060 |
10 | 214220349 |
11 | aaa15a12 |
12 | 5b8aa139 |
13 | 354c5b05 |
14 | 206448d7 |
15 | 13c17a69 |
hex | cc4be3d |
214220349 has 64 divisors (see below), whose sum is σ = 390689280. Its totient is φ = 113218560.
The previous prime is 214220341. The next prime is 214220353. The reversal of 214220349 is 943022412.
It is not a de Polignac number, because 214220349 - 23 = 214220341 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214220341) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195447 + ... + 196539.
It is an arithmetic number, because the mean of its divisors is an integer number (6104520).
Almost surely, 2214220349 is an apocalyptic number.
It is an amenable number.
214220349 is a deficient number, since it is larger than the sum of its proper divisors (176468931).
214220349 is a wasteful number, since it uses less digits than its factorization.
214220349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1187 (or 1181 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 214220349 is about 14636.2682743929. The cubic root of 214220349 is about 598.3476286254.
The spelling of 214220349 in words is "two hundred fourteen million, two hundred twenty thousand, three hundred forty-nine".
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