Base | Representation |
---|---|
bin | 11010000111000… |
… | …10101110010101 |
3 | 120021011000001200 |
4 | 31003202232111 |
5 | 422033014334 |
6 | 33422343113 |
7 | 5266513425 |
oct | 1503425625 |
9 | 507130050 |
10 | 219032469 |
11 | 102702377 |
12 | 6142aa99 |
13 | 364bc216 |
14 | 21138485 |
15 | 14368799 |
hex | d0e2b95 |
219032469 has 6 divisors (see below), whose sum is σ = 316380246. Its totient is φ = 146021640.
The previous prime is 219032467. The next prime is 219032479. The reversal of 219032469 is 964230912.
219032469 is a `hidden beast` number, since 2 + 190 + 3 + 2 + 469 = 666.
219032469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 218744100 + 288369 = 14790^2 + 537^2 .
It is not a de Polignac number, because 219032469 - 21 = 219032467 is a prime.
It is a super-2 number, since 2×2190324692 = 95950444952471922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219032461) 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, 12168462 + ... + 12168479.
It is an arithmetic number, because the mean of its divisors is an integer number (52730041).
Almost surely, 2219032469 is an apocalyptic number.
It is an amenable number.
219032469 is a deficient number, since it is larger than the sum of its proper divisors (97347777).
219032469 is a wasteful number, since it uses less digits than its factorization.
219032469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24336947 (or 24336944 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 219032469 is about 14799.7455721374. The cubic root of 219032469 is about 602.7948032451.
The spelling of 219032469 in words is "two hundred nineteen million, thirty-two thousand, four hundred sixty-nine".
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