Base | Representation |
---|---|
bin | 111110001001110… |
… | …000100000101010 |
3 | 2200200002221202111 |
4 | 332021300200222 |
5 | 4113420323021 |
6 | 251245352534 |
7 | 34561122004 |
oct | 7611604052 |
9 | 2620087674 |
10 | 1042745386 |
11 | 49566a051 |
12 | 25126874a |
13 | 138055507 |
14 | 9c6b7374 |
15 | 618268e1 |
hex | 3e27082a |
1042745386 has 8 divisors (see below), whose sum is σ = 1566082980. Its totient is φ = 520717728.
The previous prime is 1042745383. The next prime is 1042745401. The reversal of 1042745386 is 6835472401.
It can be written as a sum of positive squares in 2 ways, for example, as 972504225 + 70241161 = 31185^2 + 8381^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1042745381) 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 3 ways as a sum of consecutive naturals, for example, 325491 + ... + 328678.
Almost surely, 21042745386 is an apocalyptic number.
1042745386 is a deficient number, since it is larger than the sum of its proper divisors (523337594).
1042745386 is an equidigital number, since it uses as much as digits as its factorization.
1042745386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 654968.
The product of its (nonzero) digits is 161280, while the sum is 40.
The square root of 1042745386 is about 32291.5683422159. The cubic root of 1042745386 is about 1014.0501312833.
The spelling of 1042745386 in words is "one billion, forty-two million, seven hundred forty-five thousand, three hundred eighty-six".
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