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1013285 = 571317131
BaseRepresentation
bin11110111011000100101
31220110222002
43313120211
5224411120
633415045
711420120
oct3673045
91813862
101013285
11632329
1240a485
132962a0
141c53b7
15150375
hexf7625

1013285 has 32 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 599040.

The previous prime is 1013279. The next prime is 1013291. The reversal of 1013285 is 5823101.

It is an interprime number because it is at equal distance from previous prime (1013279) and next prime (1013291).

It is not a de Polignac number, because 1013285 - 28 = 1013029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7670 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

21013285 is an apocalyptic number.

It is an amenable number.

1013285 is a deficient number, since it is larger than the sum of its proper divisors (583387).

1013285 is a wasteful number, since it uses less digits than its factorization.

1013285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1013285 is about 1006.6205839342. The cubic root of 1013285 is about 100.4408866661.

Adding to 1013285 its reverse (5823101), we get a palindrome (6836386).

The spelling of 1013285 in words is "one million, thirteen thousand, two hundred eighty-five".

Divisors: 1 5 7 13 17 35 65 85 91 119 131 221 455 595 655 917 1105 1547 1703 2227 4585 7735 8515 11135 11921 15589 28951 59605 77945 144755 202657 1013285