Base | Representation |
---|---|
bin | 11001100110010… |
… | …11111111111111 |
3 | 112222002011212202 |
4 | 30303023333333 |
5 | 414433320322 |
6 | 33150422115 |
7 | 5215205654 |
oct | 1463137777 |
9 | 488064782 |
10 | 214745087 |
11 | 100244187 |
12 | 5bb0193b |
13 | 3564a8cb |
14 | 2073dc2b |
15 | 13cbd292 |
hex | cccbfff |
214745087 has 16 divisors (see below), whose sum is σ = 235980000. Its totient is φ = 194632704.
The previous prime is 214745033. The next prime is 214745093. The reversal of 214745087 is 780547412.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-214745087 is a prime.
It is a super-2 number, since 2×2147450872 = 92230904781275138, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 214745087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214745387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60539 + ... + 63987.
It is an arithmetic number, because the mean of its divisors is an integer number (14748750).
Almost surely, 2214745087 is an apocalyptic number.
214745087 is a deficient number, since it is larger than the sum of its proper divisors (21234913).
214745087 is a wasteful number, since it uses less digits than its factorization.
214745087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3610.
The product of its (nonzero) digits is 62720, while the sum is 38.
The square root of 214745087 is about 14654.1832593973. The cubic root of 214745087 is about 598.8357859892.
The spelling of 214745087 in words is "two hundred fourteen million, seven hundred forty-five thousand, eighty-seven".
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