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1255241 = 1396557
BaseRepresentation
bin100110010011101001001
32100202212102
410302131021
5310131431
642523145
713445411
oct4623511
92322772
101255241
11788099
125064b5
1334c460
14249641
1519bdcb
hex132749

1255241 has 4 divisors (see below), whose sum is σ = 1351812. Its totient is φ = 1158672.

The previous prime is 1255237. The next prime is 1255249. The reversal of 1255241 is 1425521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 1092025 = 404^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255241 - 22 = 1255237 is a prime.

It is a super-3 number, since 3×12552413 = 5933386010291887563, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48266 + ... + 48291.

It is an arithmetic number, because the mean of its divisors is an integer number (337953).

21255241 is an apocalyptic number.

It is an amenable number.

1255241 is a deficient number, since it is larger than the sum of its proper divisors (96571).

1255241 is an equidigital number, since it uses as much as digits as its factorization.

1255241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96570.

The product of its digits is 400, while the sum is 20.

The square root of 1255241 is about 1120.3753835211. The cubic root of 1255241 is about 107.8720764752.

The spelling of 1255241 in words is "one million, two hundred fifty-five thousand, two hundred forty-one".

Divisors: 1 13 96557 1255241