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1163425 = 52173269
BaseRepresentation
bin100011100000010100001
32012002220211
410130002201
5244212200
640534121
712613624
oct4340241
92162824
101163425
1172510a
12481341
13319723
14223dbb
1517eaba
hex11c0a1

1163425 has 12 divisors (see below), whose sum is σ = 1456380. Its totient is φ = 921920.

The previous prime is 1163423. The next prime is 1163431. The reversal of 1163425 is 5243611.

It can be written as a sum of positive squares in 6 ways, for example, as 31329 + 1132096 = 177^2 + 1064^2 .

It is not a de Polignac number, because 1163425 - 21 = 1163423 is a prime.

1163425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1163396 and 1163405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163423) by changing a digit.

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, 4191 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (121365).

21163425 is an apocalyptic number.

It is an amenable number.

1163425 is a deficient number, since it is larger than the sum of its proper divisors (292955).

1163425 is a wasteful number, since it uses less digits than its factorization.

1163425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 447 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1163425 is about 1078.6218058245. The cubic root of 1163425 is about 105.1750669803.

It can be divided in two parts, 11 and 63425, that added together give a palindrome (63436).

The spelling of 1163425 in words is "one million, one hundred sixty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 173 269 865 1345 4325 6725 46537 232685 1163425