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1128046525 = 52349129289
BaseRepresentation
bin100001100111100…
…1001111110111101
32220121121200220221
41003033021332331
54302234442100
6303533541341
736645144244
oct10317117675
92817550827
101128046525
11529831061
12275944851
1314c920768
14a9b5d95b
156907601a
hex433c9fbd

1128046525 has 12 divisors (see below), whose sum is σ = 1402796500. Its totient is φ = 899844480.

The previous prime is 1128046501. The next prime is 1128046529. The reversal of 1128046525 is 5256408211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1907161 + 1126139364 = 1381^2 + 33558^2 .

It is not a de Polignac number, because 1128046525 - 213 = 1128038333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128046529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55920 + ... + 73369.

Almost surely, 21128046525 is an apocalyptic number.

It is an amenable number.

1128046525 is a deficient number, since it is larger than the sum of its proper divisors (274749975).

1128046525 is a wasteful number, since it uses less digits than its factorization.

1128046525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129648 (or 129643 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1128046525 is about 33586.4038712096. The cubic root of 1128046525 is about 1040.9798842206.

The spelling of 1128046525 in words is "one billion, one hundred twenty-eight million, forty-six thousand, five hundred twenty-five".

Divisors: 1 5 25 349 1745 8725 129289 646445 3232225 45121861 225609305 1128046525