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1013081 = 17232591
BaseRepresentation
bin11110111010101011001
31220110200112
43313111121
5224404311
633414105
711416406
oct3672531
91813615
101013081
11632163
1240a335
13296174
141c52ad
1515028b
hexf7559

1013081 has 8 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 911680.

The previous prime is 1013063. The next prime is 1013143. The reversal of 1013081 is 1803101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1013081 is a prime.

It is a super-2 number, since 2×10130812 = 2052666225122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

21013081 is an apocalyptic number.

It is an amenable number.

1013081 is a deficient number, since it is larger than the sum of its proper divisors (106663).

1013081 is a wasteful number, since it uses less digits than its factorization.

1013081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1013081 is about 1006.5192496917. The cubic root of 1013081 is about 100.4341457801.

Adding to 1013081 its reverse (1803101), we get a palindrome (2816182).

The spelling of 1013081 in words is "one million, thirteen thousand, eighty-one".

Divisors: 1 17 23 391 2591 44047 59593 1013081