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7139734 = 273116451
BaseRepresentation
bin11011001111000110010110
3111102201212121
4123033012112
53311432414
6413010154
7114454360
oct33170626
914381777
107139734
114037208
12248395a
13162c9c4
14d3bd30
15960724
hex6cf196

7139734 has 16 divisors (see below), whose sum is σ = 12635136. Its totient is φ = 2961000.

The previous prime is 7139731. The next prime is 7139753. The reversal of 7139734 is 4379317.

It is a d-powerful number, because it can be written as 77 + 1 + 39 + 9 + 78 + 312 + 44 .

It is a self number, because there is not a number n which added to its sum of digits gives 7139734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139731) 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, 7792 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (789696).

Almost surely, 27139734 is an apocalyptic number.

7139734 is a deficient number, since it is larger than the sum of its proper divisors (5495402).

7139734 is a wasteful number, since it uses less digits than its factorization.

7139734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16491.

The product of its digits is 15876, while the sum is 34.

The square root of 7139734 is about 2672.0280687148. The cubic root of 7139734 is about 192.5576057428.

The spelling of 7139734 in words is "seven million, one hundred thirty-nine thousand, seven hundred thirty-four".

Divisors: 1 2 7 14 31 62 217 434 16451 32902 115157 230314 509981 1019962 3569867 7139734