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2252688547 = 171011311991
BaseRepresentation
bin1000011001000101…
…0100110010100011
312210222211102202011
42012101110302203
514103142013142
61011310533351
7106552352044
oct20621246243
95728742664
102252688547
11a5664727a
1252a507257
1329b91b705
141752748cb
15d2b78417
hex86454ca3

2252688547 has 8 divisors (see below), whose sum is σ = 2408817312. Its totient is φ = 2099184000.

The previous prime is 2252688511. The next prime is 2252688587. The reversal of 2252688547 is 7458862522.

It is a happy number.

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

It is not a de Polignac number, because 2252688547 - 227 = 2118470819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2252688547.

It is not an unprimeable number, because it can be changed into a prime (2252688587) 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, 654279 + ... + 657712.

It is an arithmetic number, because the mean of its divisors is an integer number (301102164).

Almost surely, 22252688547 is an apocalyptic number.

2252688547 is a deficient number, since it is larger than the sum of its proper divisors (156128765).

2252688547 is a wasteful number, since it uses less digits than its factorization.

2252688547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312109.

The product of its digits is 2150400, while the sum is 49.

The square root of 2252688547 is about 47462.4962154331. The cubic root of 2252688547 is about 1310.8924142774.

The spelling of 2252688547 in words is "two billion, two hundred fifty-two million, six hundred eighty-eight thousand, five hundred forty-seven".

Divisors: 1 17 101 1717 1311991 22303847 132511091 2252688547