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1242441 = 321271087
BaseRepresentation
bin100101111010101001001
32100010022100
410233111021
5304224231
642344013
713363164
oct4572511
92303270
101242441
11779512
124bb009
13346695
14244adb
151981e6
hex12f549

1242441 has 12 divisors (see below), whose sum is σ = 1810432. Its totient is φ = 821016.

The previous prime is 1242421. The next prime is 1242457. The reversal of 1242441 is 1442421.

It is not a de Polignac number, because 1242441 - 210 = 1241417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242421) 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, 600 + ... + 1686.

21242441 is an apocalyptic number.

It is an amenable number.

1242441 is a deficient number, since it is larger than the sum of its proper divisors (567991).

1242441 is a wasteful number, since it uses less digits than its factorization.

1242441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1217 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1242441 is about 1114.6483750493. The cubic root of 1242441 is about 107.5041570413.

Adding to 1242441 its reverse (1442421), we get a palindrome (2684862).

The spelling of 1242441 in words is "one million, two hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 9 127 381 1087 1143 3261 9783 138049 414147 1242441