Base | Representation |
---|---|
bin | 100000001001000… |
… | …1000110110000001 |
3 | 2210011101022021001 |
4 | 1000102020312001 |
5 | 4202043343031 |
6 | 255003532001 |
7 | 35504033035 |
oct | 10022106601 |
9 | 2704338231 |
10 | 1078496641 |
11 | 503868542 |
12 | 26122a001 |
13 | 1425921c1 |
14 | a33421c5 |
15 | 64a39861 |
hex | 40488d81 |
1078496641 has 4 divisors (see below), whose sum is σ = 1078805952. Its totient is φ = 1078187332.
The previous prime is 1078496597. The next prime is 1078496647. The reversal of 1078496641 is 1466948701.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1078496641 - 225 = 1044942209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1078496591 and 1078496600.
It is not an unprimeable number, because it can be changed into a prime (1078496647) 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, 149365 + ... + 156418.
It is an arithmetic number, because the mean of its divisors is an integer number (269701488).
Almost surely, 21078496641 is an apocalyptic number.
It is an amenable number.
1078496641 is a deficient number, since it is larger than the sum of its proper divisors (309311).
1078496641 is an equidigital number, since it uses as much as digits as its factorization.
1078496641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309310.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 1078496641 is about 32840.4726062217. The cubic root of 1078496641 is about 1025.5092899579.
The spelling of 1078496641 in words is "one billion, seventy-eight million, four hundred ninety-six thousand, six hundred forty-one".
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