Base | Representation |
---|---|
bin | 101110010100000… |
… | …0010100011101001 |
3 | 11000022010101101110 |
4 | 1130220002203221 |
5 | 11140311000410 |
6 | 414111340533 |
7 | 53336532360 |
oct | 13450024351 |
9 | 4008111343 |
10 | 1554000105 |
11 | 728213309 |
12 | 374521749 |
13 | 1b9c4b2b8 |
14 | 10a55c7d7 |
15 | 91664720 |
hex | 5ca028e9 |
1554000105 has 16 divisors (see below), whose sum is σ = 2841600384. Its totient is φ = 710400000.
The previous prime is 1554000031. The next prime is 1554000137. The reversal of 1554000105 is 5010004551.
It is not a de Polignac number, because 1554000105 - 27 = 1553999977 is a prime.
It is a super-2 number, since 2×15540001052 = 4829832652680022050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 7399896 + ... + 7400105.
It is an arithmetic number, because the mean of its divisors is an integer number (177600024).
Almost surely, 21554000105 is an apocalyptic number.
1554000105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1554000105 is a deficient number, since it is larger than the sum of its proper divisors (1287600279).
1554000105 is a wasteful number, since it uses less digits than its factorization.
1554000105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14800016.
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 1554000105 is about 39420.8080206380. The cubic root of 1554000105 is about 1158.2892203870.
Adding to 1554000105 its reverse (5010004551), we get a palindrome (6564004656).
The spelling of 1554000105 in words is "one billion, five hundred fifty-four million, one hundred five", and thus it is an aban number.
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