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1013005 = 57103281
BaseRepresentation
bin11110111010100001101
31220110120201
43313110031
5224404010
633413501
711416240
oct3672415
91813521
101013005
116320a4
1240a291
13296116
141c5257
1515023a
hexf750d

1013005 has 16 divisors (see below), whose sum is σ = 1407744. Its totient is φ = 685440.

The previous prime is 1013003. The next prime is 1013009. The reversal of 1013005 is 5003101.

It is not a de Polignac number, because 1013005 - 21 = 1013003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012982 and 1013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465 + ... + 3745.

It is an arithmetic number, because the mean of its divisors is an integer number (87984).

21013005 is an apocalyptic number.

It is an amenable number.

1013005 is a deficient number, since it is larger than the sum of its proper divisors (394739).

1013005 is a wasteful number, since it uses less digits than its factorization.

1013005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1013005 is about 1006.4814951106. The cubic root of 1013005 is about 100.4316342383.

Adding to 1013005 its reverse (5003101), we get a palindrome (6016106).

The spelling of 1013005 in words is "one million, thirteen thousand, five".

Divisors: 1 5 7 35 103 281 515 721 1405 1967 3605 9835 28943 144715 202601 1013005