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1013393 = 3761449
BaseRepresentation
bin11110111011010010001
31220111010002
43313122101
5224412033
633415345
711420333
oct3673221
91814102
101013393
11632417
1240a555
13296354
141c5453
151503e8
hexf7691

1013393 has 8 divisors (see below), whose sum is σ = 1060200. Its totient is φ = 967680.

The previous prime is 1013377. The next prime is 1013399. The reversal of 1013393 is 3933101.

It can be written as a sum of positive squares in 4 ways, for example, as 135424 + 877969 = 368^2 + 937^2 .

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 1013393 - 24 = 1013377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013399) 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, 2033 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (132525).

21013393 is an apocalyptic number.

It is an amenable number.

1013393 is a deficient number, since it is larger than the sum of its proper divisors (46807).

1013393 is an equidigital number, since it uses as much as digits as its factorization.

1013393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1013393 is about 1006.6742273447. The cubic root of 1013393 is about 100.4444550042. Note that the first 4 decimals are identical.

Adding to 1013393 its reverse (3933101), we get a palindrome (4946494).

The spelling of 1013393 in words is "one million, thirteen thousand, three hundred ninety-three".

Divisors: 1 37 61 449 2257 16613 27389 1013393