Base | Representation |
---|---|
bin | 101010101001001… |
… | …1000011010001001 |
3 | 10200201110100000000 |
4 | 1111102120122021 |
5 | 10412301210204 |
6 | 353552433213 |
7 | 50313203301 |
oct | 12522303211 |
9 | 3621410000 |
10 | 1430881929 |
11 | 674771854 |
12 | 33b248809 |
13 | 19a5a1cc9 |
14 | d8070601 |
15 | 85945039 |
hex | 55498689 |
1430881929 has 27 divisors (see below), whose sum is σ = 2150819437. Its totient is φ = 951878628.
The previous prime is 1430881909. The next prime is 1430881937. The reversal of 1430881929 is 9291880341.
The square root of 1430881929 is 37827.
It is a perfect power (a square), and thus also a powerful number.
It is a tau number, because it is divible by the number of its divisors (27).
It is not a de Polignac number, because 1430881929 - 27 = 1430881801 is a prime.
It is a super-2 number, since 2×14308819292 = 4094846189477522082, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1430881909) 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 26 ways as a sum of consecutive naturals, for example, 3063754 + ... + 3064220.
Almost surely, 21430881929 is an apocalyptic number.
1430881929 is the 37827-th square number.
1430881929 is the 18914-th centered octagonal number.
It is an amenable number.
1430881929 is a deficient number, since it is larger than the sum of its proper divisors (719937508).
1430881929 is an frugal number, since it uses more digits than its factorization.
1430881929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958 (or 470 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The cubic root of 1430881929 is about 1126.8547325127.
The spelling of 1430881929 in words is "one billion, four hundred thirty million, eight hundred eighty-one thousand, nine hundred twenty-nine".
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