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1070889 = 32691327
BaseRepresentation
bin100000101011100101001
32000101222120
410011130221
5233232024
634541453
712050061
oct4053451
92011876
101070889
11671636
12437889
132b6581
141dc3a1
15162479
hex105729

1070889 has 8 divisors (see below), whose sum is σ = 1434240. Its totient is φ = 710736.

The previous prime is 1070873. The next prime is 1070899. The reversal of 1070889 is 9880701.

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

It is not a de Polignac number, because 1070889 - 24 = 1070873 is a prime.

It is a super-2 number, since 2×10708892 = 2293606500642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1070889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1070869) 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, 144 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (179280).

21070889 is an apocalyptic number.

It is an amenable number.

1070889 is a deficient number, since it is larger than the sum of its proper divisors (363351).

1070889 is a wasteful number, since it uses less digits than its factorization.

1070889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1070889 is about 1034.8376684292. The cubic root of 1070889 is about 102.3092307316.

The spelling of 1070889 in words is "one million, seventy thousand, eight hundred eighty-nine".

Divisors: 1 3 269 807 1327 3981 356963 1070889