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7028495 = 51405699
BaseRepresentation
bin11010110011111100001111
3111020002021122
4122303330033
53244402440
6410351155
7113512145
oct32637417
914202248
107028495
113a70681
12242b4bb
1315c1196
14d0d595
1593c7b5
hex6b3f0f

7028495 has 4 divisors (see below), whose sum is σ = 8434200. Its totient is φ = 5622792.

The previous prime is 7028477. The next prime is 7028519. The reversal of 7028495 is 5948207.

It is a happy number.

7028495 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5948207 = 11352639.

It is a cyclic number.

It is not a de Polignac number, because 7028495 - 26 = 7028431 is a prime.

It is a congruent number.

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, 702845 + ... + 702854.

It is an arithmetic number, because the mean of its divisors is an integer number (2108550).

Almost surely, 27028495 is an apocalyptic number.

7028495 is a deficient number, since it is larger than the sum of its proper divisors (1405705).

7028495 is a wasteful number, since it uses less digits than its factorization.

7028495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405704.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7028495 is about 2651.1308907710. The cubic root of 7028495 is about 191.5523334076.

The spelling of 7028495 in words is "seven million, twenty-eight thousand, four hundred ninety-five".

Divisors: 1 5 1405699 7028495