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7028122 = 212132897
BaseRepresentation
bin11010110011110110011010
3111020001202211
4122303312122
53244344442
6410345334
7113511103
oct32636632
914201684
107028122
113a70372
12242b24a
1315c0c6a
14d0d3aa
1593c617
hex6b3d9a

7028122 has 8 divisors (see below), whose sum is σ = 10554516. Its totient is φ = 3509952.

The previous prime is 7028111. The next prime is 7028137. The reversal of 7028122 is 2218207.

It can be written as a sum of positive squares in 2 ways, for example, as 5340721 + 1687401 = 2311^2 + 1299^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7028093 and 7028102.

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, 978 + ... + 3874.

Almost surely, 27028122 is an apocalyptic number.

7028122 is a deficient number, since it is larger than the sum of its proper divisors (3526394).

7028122 is a wasteful number, since it uses less digits than its factorization.

7028122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 7028122 is about 2651.0605424999. The cubic root of 7028122 is about 191.5489448072.

The spelling of 7028122 in words is "seven million, twenty-eight thousand, one hundred twenty-two".

Divisors: 1 2 1213 2426 2897 5794 3514061 7028122