Search a number
-
+
7028715 = 35468581
BaseRepresentation
bin11010110011111111101011
3111020002120210
4122303333223
53244404330
6410352203
7113512611
oct32637753
914202523
107028715
113a70861
12242b663
1315c1305
14d0d6b1
1593c8b0
hex6b3feb

7028715 has 8 divisors (see below), whose sum is σ = 11245968. Its totient is φ = 3748640.

The previous prime is 7028711. The next prime is 7028719. The reversal of 7028715 is 5178207.

7028715 = 3732 + 3742 + ... + 4172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7028711) and next prime (7028719).

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

It is not a de Polignac number, because 7028715 - 22 = 7028711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7028711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234276 + ... + 234305.

It is an arithmetic number, because the mean of its divisors is an integer number (1405746).

Almost surely, 27028715 is an apocalyptic number.

7028715 is a deficient number, since it is larger than the sum of its proper divisors (4217253).

7028715 is a wasteful number, since it uses less digits than its factorization.

7028715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468589.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 7028715 is about 2651.1723821736. The cubic root of 7028715 is about 191.5543319898.

The spelling of 7028715 in words is "seven million, twenty-eight thousand, seven hundred fifteen".

Divisors: 1 3 5 15 468581 1405743 2342905 7028715