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1828980745 = 5794630331
BaseRepresentation
bin110110100000100…
…0000100000001001
311201110112211220121
41231001000200021
512221204340440
6501253223241
763216036244
oct15501004011
94643484817
101828980745
11859459339
12430631b21
13231bc9137
14134c9c25b
15aa88034a
hex6d040809

1828980745 has 8 divisors (see below), whose sum is σ = 2222559360. Its totient is φ = 1444662960.

The previous prime is 1828980743. The next prime is 1828980773. The reversal of 1828980745 is 5470898281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1828980745 - 21 = 1828980743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1828980692 and 1828980701.

It is not an unprimeable number, because it can be changed into a prime (1828980743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314771 + ... + 2315560.

It is an arithmetic number, because the mean of its divisors is an integer number (277819920).

Almost surely, 21828980745 is an apocalyptic number.

It is an amenable number.

1828980745 is a deficient number, since it is larger than the sum of its proper divisors (393578615).

1828980745 is an equidigital number, since it uses as much as digits as its factorization.

1828980745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630415.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The square root of 1828980745 is about 42766.5844439324. The cubic root of 1828980745 is about 1222.9340705106.

The spelling of 1828980745 in words is "one billion, eight hundred twenty-eight million, nine hundred eighty thousand, seven hundred forty-five".

Divisors: 1 5 79 395 4630331 23151655 365796149 1828980745