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1059985 = 5211997
BaseRepresentation
bin100000010110010010001
31222212000201
410002302101
5232404420
634415201
712003223
oct4026221
91885021
101059985
11664423
12431501
132b1614
141d8413
1515e10a
hex102c91

1059985 has 4 divisors (see below), whose sum is σ = 1271988. Its totient is φ = 847984.

The previous prime is 1059941. The next prime is 1060009. The reversal of 1059985 is 5899501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271441 + 788544 = 521^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1059985 - 27 = 1059857 is a prime.

It is a super-2 number, since 2×10599852 = 2247136400450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105994 + ... + 106003.

It is an arithmetic number, because the mean of its divisors is an integer number (317997).

21059985 is an apocalyptic number.

It is an amenable number.

1059985 is a deficient number, since it is larger than the sum of its proper divisors (212003).

1059985 is an equidigital number, since it uses as much as digits as its factorization.

1059985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212002.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 1059985 is about 1029.5557294290. Note that the first 3 decimals coincide. The cubic root of 1059985 is about 101.9608012905.

It can be divided in two parts, 10 and 59985, that added together give a palindrome (59995).

The spelling of 1059985 in words is "one million, fifty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 211997 1059985