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2828255261 = 13892444473
BaseRepresentation
bin1010100010010011…
…1100000000011101
321022002212020211212
42220210330000131
521243013132021
61144351154205
7130041526106
oct25044740035
97262766755
102828255261
111221527047
1266b215965
13360c41030
141cb89b3ad
1511846b85b
hexa893c01d

2828255261 has 8 divisors (see below), whose sum is σ = 3080037240. Its totient is φ = 2581362432.

The previous prime is 2828255233. The next prime is 2828255293. The reversal of 2828255261 is 1625528282.

It can be written as a sum of positive squares in 4 ways, for example, as 18619225 + 2809636036 = 4315^2 + 53006^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2828255261 - 230 = 1754513437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828255561) 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 in 7 ways as a sum of consecutive naturals, for example, 1221080 + ... + 1223393.

It is an arithmetic number, because the mean of its divisors is an integer number (385004655).

Almost surely, 22828255261 is an apocalyptic number.

It is an amenable number.

2828255261 is a deficient number, since it is larger than the sum of its proper divisors (251781979).

2828255261 is a wasteful number, since it uses less digits than its factorization.

2828255261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444575.

The product of its digits is 153600, while the sum is 41.

The square root of 2828255261 is about 53181.3431665655. The cubic root of 2828255261 is about 1414.1849178352.

The spelling of 2828255261 in words is "two billion, eight hundred twenty-eight million, two hundred fifty-five thousand, two hundred sixty-one".

Divisors: 1 13 89 1157 2444473 31778149 217558097 2828255261