Base | Representation |
---|---|
bin | 11000100000010… |
… | …00001011101110 |
3 | 112022210020122110 |
4 | 30100020023232 |
5 | 410110220124 |
6 | 32221424450 |
7 | 5044120002 |
oct | 1420101356 |
9 | 468706573 |
10 | 205554414 |
11 | a603708a |
12 | 58a0b126 |
13 | 33780540 |
14 | 1d42a702 |
15 | 130a5029 |
hex | c4082ee |
205554414 has 16 divisors (see below), whose sum is σ = 442732752. Its totient is φ = 63247488.
The previous prime is 205554413. The next prime is 205554431. The reversal of 205554414 is 414455502.
It is a super-2 number, since 2×2055544142 = 84505234229766792, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205554413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317579 + ... + 1317734.
It is an arithmetic number, because the mean of its divisors is an integer number (27670797).
Almost surely, 2205554414 is an apocalyptic number.
205554414 is an abundant number, since it is smaller than the sum of its proper divisors (237178338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205554414 is a wasteful number, since it uses less digits than its factorization.
205554414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2635331.
The product of its (nonzero) digits is 16000, while the sum is 30.
The square root of 205554414 is about 14337.1689674078. The cubic root of 205554414 is about 590.1679250056.
The spelling of 205554414 in words is "two hundred five million, five hundred fifty-four thousand, four hundred fourteen".
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