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1431434 = 21742101
BaseRepresentation
bin101011101011110001010
32200201120002
411131132022
5331301214
650403002
715111164
oct5353612
92621502
101431434
11898504
12590462
133b1704
14293934
151d41de
hex15d78a

1431434 has 8 divisors (see below), whose sum is σ = 2273508. Its totient is φ = 673600.

The previous prime is 1431421. The next prime is 1431439. The reversal of 1431434 is 4341341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 120409 = 1145^2 + 347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1431439) 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, 21017 + ... + 21084.

21431434 is an apocalyptic number.

1431434 is a deficient number, since it is larger than the sum of its proper divisors (842074).

1431434 is a wasteful number, since it uses less digits than its factorization.

1431434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42120.

The product of its digits is 576, while the sum is 20.

The square root of 1431434 is about 1196.4255095910. The cubic root of 1431434 is about 112.6999637045.

Adding to 1431434 its reverse (4341341), we get a palindrome (5772775).

The spelling of 1431434 in words is "one million, four hundred thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 17 34 42101 84202 715717 1431434