Base | Representation |
---|---|
bin | 111110001000001… |
… | …000100001111101 |
3 | 2200122022022112101 |
4 | 332020020201331 |
5 | 4113313210420 |
6 | 251232305101 |
7 | 34554366214 |
oct | 7610104175 |
9 | 2618268471 |
10 | 1042319485 |
11 | 4953a9069 |
12 | 2510a2191 |
13 | 137c366bc |
14 | 9c60607b |
15 | 6179060a |
hex | 3e20887d |
1042319485 has 4 divisors (see below), whose sum is σ = 1250783388. Its totient is φ = 833855584.
The previous prime is 1042319483. The next prime is 1042319491. The reversal of 1042319485 is 5849132401.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 158684409 + 883635076 = 12597^2 + 29726^2 .
It is a cyclic number.
It is not a de Polignac number, because 1042319485 - 21 = 1042319483 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 (1042319483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104231944 + ... + 104231953.
It is an arithmetic number, because the mean of its divisors is an integer number (312695847).
Almost surely, 21042319485 is an apocalyptic number.
It is an amenable number.
1042319485 is a deficient number, since it is larger than the sum of its proper divisors (208463903).
1042319485 is an equidigital number, since it uses as much as digits as its factorization.
1042319485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208463902.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 1042319485 is about 32284.9730524899. The cubic root of 1042319485 is about 1013.9120522648.
The spelling of 1042319485 in words is "one billion, forty-two million, three hundred nineteen thousand, four hundred eighty-five".
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