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1671286348 = 22478889821
BaseRepresentation
bin110001110011101…
…1100111001001100
311022110211010212101
41203213130321030
511410322130343
6433501244444
756262461644
oct14347347114
94273733771
101671286348
11788441196
123a7863724
13208334c44
1411bd6d524
159bad0e4d
hex639dce4c

1671286348 has 12 divisors (see below), whose sum is σ = 2986980192. Its totient is φ = 817863440.

The previous prime is 1671286319. The next prime is 1671286361. The reversal of 1671286348 is 8436821761.

It is a happy number.

It is a super-2 number, since 2×16712863482 = 5586396114022354208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1671286298 and 1671286307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4444723 + ... + 4445098.

It is an arithmetic number, because the mean of its divisors is an integer number (248915016).

Almost surely, 21671286348 is an apocalyptic number.

It is an amenable number.

1671286348 is a deficient number, since it is larger than the sum of its proper divisors (1315693844).

1671286348 is a wasteful number, since it uses less digits than its factorization.

1671286348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889872 (or 8889870 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 1671286348 is about 40881.3692040763. The cubic root of 1671286348 is about 1186.7255385022.

The spelling of 1671286348 in words is "one billion, six hundred seventy-one million, two hundred eighty-six thousand, three hundred forty-eight".

Divisors: 1 2 4 47 94 188 8889821 17779642 35559284 417821587 835643174 1671286348