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7028697 = 313229787
BaseRepresentation
bin11010110011111111011001
3111020002120010
4122303333121
53244404242
6410352133
7113512554
oct32637731
914202503
107028697
113a70845
12242b649
1315c12c0
14d0d69b
1593c89c
hex6b3fd9

7028697 has 16 divisors (see below), whose sum is σ = 10149440. Its totient is φ = 4300992.

The previous prime is 7028687. The next prime is 7028699. The reversal of 7028697 is 7968207.

It is not a de Polignac number, because 7028697 - 27 = 7028569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7028699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8538 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (634340).

Almost surely, 27028697 is an apocalyptic number.

It is an amenable number.

7028697 is a deficient number, since it is larger than the sum of its proper divisors (3120743).

7028697 is a wasteful number, since it uses less digits than its factorization.

7028697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7028697 is about 2651.1689874469. The cubic root of 7028697 is about 191.5541684710.

The spelling of 7028697 in words is "seven million, twenty-eight thousand, six hundred ninety-seven".

Divisors: 1 3 13 39 229 687 787 2361 2977 8931 10231 30693 180223 540669 2342899 7028697