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7082816 = 26138513
BaseRepresentation
bin11011000001001101000000
3111022211210112
4123001031000
53303122231
6411450452
7114126416
oct33011500
914284715
107082816
113aa8474
122456a28
13160cb20
14d252b6
1594d92b
hex6c1340

7082816 has 28 divisors (see below), whose sum is σ = 15137892. Its totient is φ = 3268608.

The previous prime is 7082813. The next prime is 7082833. The reversal of 7082816 is 6182807.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 2689600 = 2096^2 + 1640^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7082813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (540639).

Almost surely, 27082816 is an apocalyptic number.

It is an amenable number.

7082816 is an abundant number, since it is smaller than the sum of its proper divisors (8055076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7082816 is a wasteful number, since it uses less digits than its factorization.

7082816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 7082816 is about 2661.3560453273. The cubic root of 7082816 is about 192.0445498475.

Subtracting from 7082816 its reverse (6182807), we obtain a palindrome (900009).

The spelling of 7082816 in words is "seven million, eighty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 8513 17026 34052 68104 110669 136208 221338 272416 442676 544832 885352 1770704 3541408 7082816