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7082138 = 27505867
BaseRepresentation
bin11011000001000010011010
3111022210212102
4123001002122
53303112023
6411443402
7114124430
oct33010232
914283772
107082138
113aa7a08
122456562
13160c71b
14d24d50
1594d628
hex6c109a

7082138 has 8 divisors (see below), whose sum is σ = 12140832. Its totient is φ = 3035196.

The previous prime is 7082123. The next prime is 7082191. The reversal of 7082138 is 8312807.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7082138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252920 + ... + 252947.

It is an arithmetic number, because the mean of its divisors is an integer number (1517604).

Almost surely, 27082138 is an apocalyptic number.

7082138 is a deficient number, since it is larger than the sum of its proper divisors (5058694).

7082138 is a wasteful number, since it uses less digits than its factorization.

7082138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505876.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7082138 is about 2661.2286636063. The cubic root of 7082138 is about 192.0384218536.

The spelling of 7082138 in words is "seven million, eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 505867 1011734 3541069 7082138