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1008137 = 1377549
BaseRepresentation
bin11110110001000001001
31220012220102
43312020021
5224230022
633335145
711366114
oct3661011
91805812
101008137
11629479
124074b5
13293b40
141c357b
1514da92
hexf6209

1008137 has 4 divisors (see below), whose sum is σ = 1085700. Its totient is φ = 930576.

The previous prime is 1008131. The next prime is 1008157. The reversal of 1008137 is 7318001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7318001 = 22513251.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 866761 = 376^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008137 - 218 = 745993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1008131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38762 + ... + 38787.

It is an arithmetic number, because the mean of its divisors is an integer number (271425).

21008137 is an apocalyptic number.

It is an amenable number.

1008137 is a deficient number, since it is larger than the sum of its proper divisors (77563).

1008137 is an equidigital number, since it uses as much as digits as its factorization.

1008137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77562.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1008137 is about 1004.0602571559. The cubic root of 1008137 is about 100.2705009658.

The spelling of 1008137 in words is "one million, eight thousand, one hundred thirty-seven".

Divisors: 1 13 77549 1008137