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11028658 = 25514329
BaseRepresentation
bin101010000100…
…100010110010
3202202022110211
4222010202302
510310404113
61032214334
7162512344
oct52044262
922668424
1011028658
116252aa3
12383a3aa
132391b44
141671294
15e7cb3d
hexa848b2

11028658 has 4 divisors (see below), whose sum is σ = 16542990. Its totient is φ = 5514328.

The previous prime is 11028649. The next prime is 11028659. The reversal of 11028658 is 85682011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85682011 = 97188241.

It can be written as a sum of positive squares in only one way, i.e., 5678689 + 5349969 = 2383^2 + 2313^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11028659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757163 + ... + 2757166.

Almost surely, 211028658 is an apocalyptic number.

11028658 is a deficient number, since it is larger than the sum of its proper divisors (5514332).

11028658 is an equidigital number, since it uses as much as digits as its factorization.

11028658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514331.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 11028658 is about 3320.9423361450. The cubic root of 11028658 is about 222.5909773980.

The spelling of 11028658 in words is "eleven million, twenty-eight thousand, six hundred fifty-eight".

Divisors: 1 2 5514329 11028658