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1008809349 = 32291468427
BaseRepresentation
bin111100001000010…
…011010110000101
32121022020211021020
4330020103112011
54031223344344
6244034141353
733666511062
oct7410232605
92538224236
101008809349
114784a0439
12241a21859
13131002b12
1497da1c69
155d871719
hex3c213585

1008809349 has 8 divisors (see below), whose sum is σ = 1350953760. Its totient is φ = 669602256.

The previous prime is 1008809339. The next prime is 1008809353. The reversal of 1008809349 is 9439088001.

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

It is not a de Polignac number, because 1008809349 - 212 = 1008805253 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1008809349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008809339) 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, 733527 + ... + 734900.

It is an arithmetic number, because the mean of its divisors is an integer number (168869220).

Almost surely, 21008809349 is an apocalyptic number.

It is an amenable number.

1008809349 is a deficient number, since it is larger than the sum of its proper divisors (342144411).

1008809349 is a wasteful number, since it uses less digits than its factorization.

1008809349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468659.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1008809349 is about 31761.7592239473. The cubic root of 1008809349 is about 1002.9278688842.

The spelling of 1008809349 in words is "one billion, eight million, eight hundred nine thousand, three hundred forty-nine".

Divisors: 1 3 229 687 1468427 4405281 336269783 1008809349