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1148225 = 52133533
BaseRepresentation
bin100011000010101000001
32011100001212
410120111001
5243220400
640335505
712521411
oct4302501
92140055
101148225
11714751
12474595
13312830
1421c641
1517a335
hex118541

1148225 has 12 divisors (see below), whose sum is σ = 1533756. Its totient is φ = 847680.

The previous prime is 1148219. The next prime is 1148249. The reversal of 1148225 is 5228411.

It can be written as a sum of positive squares in 6 ways, for example, as 30976 + 1117249 = 176^2 + 1057^2 .

It is not a de Polignac number, because 1148225 - 28 = 1147969 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1442 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (127813).

21148225 is an apocalyptic number.

It is an amenable number.

1148225 is a deficient number, since it is larger than the sum of its proper divisors (385531).

1148225 is a wasteful number, since it uses less digits than its factorization.

1148225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3551 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1148225 is about 1071.5526118675. The cubic root of 1148225 is about 104.7150246924.

The spelling of 1148225 in words is "one million, one hundred forty-eight thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 3533 17665 45929 88325 229645 1148225