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1243041 = 3414347
BaseRepresentation
bin100101111011110100001
32100011010120
410233132201
5304234131
642350453
713365012
oct4573641
92304116
101243041
11779a08
124bb429
13346a37
14245009
15198496
hex12f7a1

1243041 has 4 divisors (see below), whose sum is σ = 1657392. Its totient is φ = 828692.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243041 is 1403421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1243041 - 26 = 1242977 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243041.

It is not an unprimeable number, because it can be changed into a prime (1243141) 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, 207171 + ... + 207176.

It is an arithmetic number, because the mean of its divisors is an integer number (414348).

21243041 is an apocalyptic number.

It is an amenable number.

1243041 is a deficient number, since it is larger than the sum of its proper divisors (414351).

1243041 is an equidigital number, since it uses as much as digits as its factorization.

1243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414350.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1243041 is about 1114.9174857361. The cubic root of 1243041 is about 107.5214595702.

Adding to 1243041 its reverse (1403421), we get a palindrome (2646462).

The spelling of 1243041 in words is "one million, two hundred forty-three thousand, forty-one".

Divisors: 1 3 414347 1243041