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1442601242 = 2721300621
BaseRepresentation
bin101010111111100…
…0101100100011010
310201112111201212122
41111333011210122
510423301214432
6355051541242
750514623345
oct12577054432
93645451778
101442601242
11680346735
1234315a822
1319cb46304
14d984145c
15869ac612
hex55fc591a

1442601242 has 4 divisors (see below), whose sum is σ = 2163901866. Its totient is φ = 721300620.

The previous prime is 1442601233. The next prime is 1442601247. The reversal of 1442601242 is 2421062441.

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

It can be written as a sum of positive squares in only one way, i.e., 1162741801 + 279859441 = 34099^2 + 16729^2 .

It is not an unprimeable number, because it can be changed into a prime (1442601247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360650309 + ... + 360650312.

Almost surely, 21442601242 is an apocalyptic number.

1442601242 is a deficient number, since it is larger than the sum of its proper divisors (721300624).

1442601242 is an equidigital number, since it uses as much as digits as its factorization.

1442601242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721300623.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1442601242 is about 37981.5908302957. The cubic root of 1442601242 is about 1129.9227874253.

Adding to 1442601242 its reverse (2421062441), we get a palindrome (3863663683).

The spelling of 1442601242 in words is "one billion, four hundred forty-two million, six hundred one thousand, two hundred forty-two".

Divisors: 1 2 721300621 1442601242