Base | Representation |
---|---|
bin | 111110001010010… |
… | …011111110000101 |
3 | 2200200101022222212 |
4 | 332022103332011 |
5 | 4113440000004 |
6 | 251252433205 |
7 | 34562265314 |
oct | 7612237605 |
9 | 2620338885 |
10 | 1042890629 |
11 | 495759190 |
12 | 251318805 |
13 | 1380a6661 |
14 | 9c71427b |
15 | 6185496e |
hex | 3e293f85 |
1042890629 has 12 divisors (see below), whose sum is σ = 1153562112. Its totient is φ = 935042400.
The previous prime is 1042890571. The next prime is 1042890643. The reversal of 1042890629 is 9260982401.
It is not a de Polignac number, because 1042890629 - 216 = 1042825093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042890649) 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 11 ways as a sum of consecutive naturals, for example, 49724 + ... + 67514.
It is an arithmetic number, because the mean of its divisors is an integer number (96130176).
Almost surely, 21042890629 is an apocalyptic number.
It is an amenable number.
1042890629 is a deficient number, since it is larger than the sum of its proper divisors (110671483).
1042890629 is an equidigital number, since it uses as much as digits as its factorization.
1042890629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17948 (or 17875 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 1042890629 is about 32293.8171946272. The cubic root of 1042890629 is about 1014.0972111193.
The spelling of 1042890629 in words is "one billion, forty-two million, eight hundred ninety thousand, six hundred twenty-nine".
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