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828050249 = 1363696173
BaseRepresentation
bin110001010110110…
…000101101001001
32010201010022101202
4301112300231021
53143440101444
6214055553545
726343211445
oct6126605511
92121108352
10828050249
1139545a454
121b138b8b5
13102724580
147bd8b825
154ca6834e
hex315b0b49

828050249 has 4 divisors (see below), whose sum is σ = 891746436. Its totient is φ = 764354064.

The previous prime is 828050243. The next prime is 828050273. The reversal of 828050249 is 942050828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 434305600 + 393744649 = 20840^2 + 19843^2 .

It is a cyclic number.

It is not a de Polignac number, because 828050249 - 220 = 827001673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828050243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31848074 + ... + 31848099.

It is an arithmetic number, because the mean of its divisors is an integer number (222936609).

Almost surely, 2828050249 is an apocalyptic number.

It is an amenable number.

828050249 is a deficient number, since it is larger than the sum of its proper divisors (63696187).

828050249 is a wasteful number, since it uses less digits than its factorization.

828050249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63696186.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 828050249 is about 28775.8622633623. The cubic root of 828050249 is about 939.0431824984.

The spelling of 828050249 in words is "eight hundred twenty-eight million, fifty thousand, two hundred forty-nine".

Divisors: 1 13 63696173 828050249