Base | Representation |
---|---|
bin | 100001000010010… |
… | …010111111101101 |
3 | 1102121220211100222 |
4 | 201002102333231 |
5 | 2113342001341 |
6 | 130555301125 |
7 | 16510022600 |
oct | 4102227755 |
9 | 1377824328 |
10 | 554250221 |
11 | 264950438 |
12 | 13574a7a5 |
13 | 8aa9ac15 |
14 | 53878337 |
15 | 339d244b |
hex | 21092fed |
554250221 has 12 divisors (see below), whose sum is σ = 647644032. Its totient is φ = 472931928.
The previous prime is 554250199. The next prime is 554250239. The reversal of 554250221 is 122052455.
554250221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 554250221 - 26 = 554250157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (554220221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14435 + ... + 36288.
It is an arithmetic number, because the mean of its divisors is an integer number (53970336).
Almost surely, 2554250221 is an apocalyptic number.
It is an amenable number.
554250221 is a deficient number, since it is larger than the sum of its proper divisors (93393811).
554250221 is a wasteful number, since it uses less digits than its factorization.
554250221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50960 (or 50953 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 554250221 is about 23542.5194276229. The cubic root of 554250221 is about 821.4263401549.
The spelling of 554250221 in words is "five hundred fifty-four million, two hundred fifty thousand, two hundred twenty-one".
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