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1908113 = 19293463
BaseRepresentation
bin111010001110110010001
310120221102212
413101312101
5442024423
6104521505
722135004
oct7216621
93527385
101908113
111093659
12780295
1351a67c
1437953b
1527a578
hex1d1d91

1908113 has 8 divisors (see below), whose sum is σ = 2078400. Its totient is φ = 1744848.

The previous prime is 1908091. The next prime is 1908121. The reversal of 1908113 is 3118091.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1908113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1908133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (259800).

21908113 is an apocalyptic number.

It is an amenable number.

1908113 is a deficient number, since it is larger than the sum of its proper divisors (170287).

1908113 is a wasteful number, since it uses less digits than its factorization.

1908113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1908113 is about 1381.3446347672. The cubic root of 1908113 is about 124.0322713439.

The spelling of 1908113 in words is "one million, nine hundred eight thousand, one hundred thirteen".

Divisors: 1 19 29 551 3463 65797 100427 1908113