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7081029 = 326711743
BaseRepresentation
bin11011000000110001000101
3111022202100100
4123000301011
53303043104
6411434313
7114121254
oct33006105
914282310
107081029
113aa709a
122455999
13160c077
14d2479b
1594d139
hex6c0c45

7081029 has 12 divisors (see below), whose sum is σ = 10381696. Its totient is φ = 4649832.

The previous prime is 7081021. The next prime is 7081049. The reversal of 7081029 is 9201807.

It is not a de Polignac number, because 7081029 - 23 = 7081021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 7080993 and 7081011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5269 + ... + 6474.

Almost surely, 27081029 is an apocalyptic number.

It is an amenable number.

7081029 is a deficient number, since it is larger than the sum of its proper divisors (3300667).

7081029 is a wasteful number, since it uses less digits than its factorization.

7081029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816 (or 11813 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 7081029 is about 2661.0202930455. The cubic root of 7081029 is about 192.0283974924.

The spelling of 7081029 in words is "seven million, eighty-one thousand, twenty-nine".

Divisors: 1 3 9 67 201 603 11743 35229 105687 786781 2360343 7081029