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210828038 = 2105414019
BaseRepresentation
bin11001001000011…
…11101100000110
3112200201011200212
430210033230012
5412432444123
632530435422
75140003001
oct1444175406
9480634625
10210828038
11a9009253
125a732b72
13348a8a25
1420000538
1513797878
hexc90fb06

210828038 has 4 divisors (see below), whose sum is σ = 316242060. Its totient is φ = 105414018.

The previous prime is 210828031. The next prime is 210828049. The reversal of 210828038 is 830828012.

210828038 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.

It is a junction number, because it is equal to n+sod(n) for n = 210827995 and 210828013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210828031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52707008 + ... + 52707011.

It is an arithmetic number, because the mean of its divisors is an integer number (79060515).

Almost surely, 2210828038 is an apocalyptic number.

210828038 is a deficient number, since it is larger than the sum of its proper divisors (105414022).

210828038 is a wasteful number, since it uses less digits than its factorization.

210828038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105414021.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 210828038 is about 14519.9186636840. The cubic root of 210828038 is about 595.1724077271.

The spelling of 210828038 in words is "two hundred ten million, eight hundred twenty-eight thousand, thirty-eight".

Divisors: 1 2 105414019 210828038