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1130275 = 52291559
BaseRepresentation
bin100010011111100100011
32010102110001
410103330203
5242132100
640120431
712415156
oct4237443
92112401
101130275
11702213
12466117
13307603
14215c9d
15174d6a
hex113f23

1130275 has 12 divisors (see below), whose sum is σ = 1450800. Its totient is φ = 872480.

The previous prime is 1130273. The next prime is 1130281. The reversal of 1130275 is 5720311.

It is not a de Polignac number, because 1130275 - 21 = 1130273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (120900).

21130275 is an apocalyptic number.

1130275 is a deficient number, since it is larger than the sum of its proper divisors (320525).

1130275 is a wasteful number, since it uses less digits than its factorization.

1130275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1130275 is about 1063.1439225241. The cubic root of 1130275 is about 104.1664924442.

Subtracting from 1130275 its sum of digits (19), we obtain a triangular number (1130256 = T1503).

Adding to 1130275 its reverse (5720311), we get a palindrome (6850586).

The spelling of 1130275 in words is "one million, one hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 25 29 145 725 1559 7795 38975 45211 226055 1130275