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1052985 = 3570199
BaseRepresentation
bin100000001000100111001
31222111102110
410001010321
5232143420
634322533
711643633
oct4010471
91874373
101052985
1165a13a
12429449
132ab38b
141d5a53
1515bee0
hex101139

1052985 has 8 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 561584.

The previous prime is 1052981. The next prime is 1052993. The reversal of 1052985 is 5892501.

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 1052985 - 22 = 1052981 is a prime.

It is a super-2 number, since 2×10529852 = 2217554820450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1052981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35085 + ... + 35114.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

21052985 is an apocalyptic number.

1052985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052985 is a deficient number, since it is larger than the sum of its proper divisors (631815).

1052985 is an equidigital number, since it uses as much as digits as its factorization.

1052985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70207.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1052985 is about 1026.1505737464. The cubic root of 1052985 is about 101.7358602096.

The spelling of 1052985 in words is "one million, fifty-two thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 70199 210597 350995 1052985