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1008228871 = 13128360449
BaseRepresentation
bin111100000110000…
…101101000000111
32121021011100000001
4330012011220013
54031101310441
6244013502131
733661542526
oct7406055007
92537140001
101008228871
11478134301
122417a1947
13130b5b840
1497c904bd
155d7a9731
hex3c185a07

1008228871 has 8 divisors (see below), whose sum is σ = 1086649200. Its totient is φ = 929932032.

The previous prime is 1008228857. The next prime is 1008228887. The reversal of 1008228871 is 1788228001.

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

It is a cyclic number.

It is not a de Polignac number, because 1008228871 - 217 = 1008097799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1008228871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008228271) 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 7 ways as a sum of consecutive naturals, for example, 13546 + ... + 46903.

It is an arithmetic number, because the mean of its divisors is an integer number (135831150).

Almost surely, 21008228871 is an apocalyptic number.

1008228871 is a deficient number, since it is larger than the sum of its proper divisors (78420329).

1008228871 is a wasteful number, since it uses less digits than its factorization.

1008228871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61745.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 1008228871 is about 31752.6199076549. The cubic root of 1008228871 is about 1002.7354673952.

The spelling of 1008228871 in words is "one billion, eight million, two hundred twenty-eight thousand, eight hundred seventy-one".

Divisors: 1 13 1283 16679 60449 785837 77556067 1008228871