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7081426 = 211409787
BaseRepresentation
bin11011000000110111010010
3111022202220001
4123000313102
53303101201
6411440214
7114122362
oct33006722
914282801
107081426
113aa7420
12245606a
13160c2c1
14d249a2
1594d301
hex6c0dd2

7081426 has 16 divisors (see below), whose sum is σ = 11630880. Its totient is φ = 3206880.

The previous prime is 7081411. The next prime is 7081427. The reversal of 7081426 is 6241807.

It is a junction number, because it is equal to n+sod(n) for n = 7081394 and 7081403.

It is not an unprimeable number, because it can be changed into a prime (7081427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8605 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (726930).

Almost surely, 27081426 is an apocalyptic number.

7081426 is a deficient number, since it is larger than the sum of its proper divisors (4549454).

7081426 is a wasteful number, since it uses less digits than its factorization.

7081426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7081426 is about 2661.0948874476. The cubic root of 7081426 is about 192.0319861351.

The spelling of 7081426 in words is "seven million, eighty-one thousand, four hundred twenty-six".

Divisors: 1 2 11 22 409 787 818 1574 4499 8657 8998 17314 321883 643766 3540713 7081426