Base | Representation |
---|---|
bin | 111110110100101… |
… | …101010011000101 |
3 | 2201110021222020210 |
4 | 332310231103011 |
5 | 4124311120141 |
6 | 252330550033 |
7 | 35055614121 |
oct | 7664552305 |
9 | 2643258223 |
10 | 1054004421 |
11 | 4a0a5a138 |
12 | 254b98319 |
13 | 13a498172 |
14 | 9dda8581 |
15 | 627ec916 |
hex | 3ed2d4c5 |
1054004421 has 8 divisors (see below), whose sum is σ = 1428377824. Its totient is φ = 691150320.
The previous prime is 1054004407. The next prime is 1054004477. The reversal of 1054004421 is 1244004501.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1054004421 is a prime.
It is a super-2 number, since 2×10540044212 = 2221850638975090482, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054004401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879611 + ... + 2879976.
It is an arithmetic number, because the mean of its divisors is an integer number (178547228).
Almost surely, 21054004421 is an apocalyptic number.
It is an amenable number.
1054004421 is a deficient number, since it is larger than the sum of its proper divisors (374373403).
1054004421 is an equidigital number, since it uses as much as digits as its factorization.
1054004421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5759651.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 1054004421 is about 32465.4342493674. The cubic root of 1054004421 is about 1017.6868062700.
Adding to 1054004421 its reverse (1244004501), we get a palindrome (2298008922).
The spelling of 1054004421 in words is "one billion, fifty-four million, four thousand, four hundred twenty-one".
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