Base | Representation |
---|---|
bin | 100001000100011… |
… | …101111001000011 |
3 | 1102122222201210000 |
4 | 201010131321003 |
5 | 2114013203024 |
6 | 131015411043 |
7 | 16514612340 |
oct | 4104357103 |
9 | 1378881700 |
10 | 554819139 |
11 | 2651a9916 |
12 | 135983a83 |
13 | 8ac39b64 |
14 | 539857c7 |
15 | 33a95cc9 |
hex | 2111de43 |
554819139 has 40 divisors (see below), whose sum is σ = 951563360. Its totient is φ = 315581184.
The previous prime is 554819137. The next prime is 554819143. The reversal of 554819139 is 931918455.
554819139 is a `hidden beast` number, since 55 + 481 + 91 + 39 = 666.
It is not a de Polignac number, because 554819139 - 21 = 554819137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 554819094 and 554819103.
It is not an unprimeable number, because it can be changed into a prime (554819137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127707 + ... + 131979.
It is an arithmetic number, because the mean of its divisors is an integer number (23789084).
Almost surely, 2554819139 is an apocalyptic number.
554819139 is a deficient number, since it is larger than the sum of its proper divisors (396744221).
554819139 is a wasteful number, since it uses less digits than its factorization.
554819139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4521 (or 4512 counting only the distinct ones).
The product of its digits is 194400, while the sum is 45.
The square root of 554819139 is about 23554.5991050580. The cubic root of 554819139 is about 821.7072989510.
It can be divided in two parts, 55481 and 9139, that added together give a triangular number (64620 = T359).
The spelling of 554819139 in words is "five hundred fifty-four million, eight hundred nineteen thousand, one hundred thirty-nine".
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