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1023204242 = 2511602121
BaseRepresentation
bin111100111111001…
…101101110010010
32122022100011100102
4330333031232102
54043420013432
6245310452402
734233043514
oct7477155622
92568304312
101023204242
11485632545
12246804102
13133ca2bc8
1499c6bbb4
155ec66962
hex3cfcdb92

1023204242 has 4 divisors (see below), whose sum is σ = 1534806366. Its totient is φ = 511602120.

The previous prime is 1023204239. The next prime is 1023204251. The reversal of 1023204242 is 2424023201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424023201 = 5941085139.

It can be written as a sum of positive squares in only one way, i.e., 1020866401 + 2337841 = 31951^2 + 1529^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255801059 + ... + 255801062.

Almost surely, 21023204242 is an apocalyptic number.

1023204242 is a deficient number, since it is larger than the sum of its proper divisors (511602124).

1023204242 is an equidigital number, since it uses as much as digits as its factorization.

1023204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511602123.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1023204242 is about 31987.5638647272. The cubic root of 1023204242 is about 1007.6756805216.

Adding to 1023204242 its reverse (2424023201), we get a palindrome (3447227443).

The spelling of 1023204242 in words is "one billion, twenty-three million, two hundred four thousand, two hundred forty-two".

Divisors: 1 2 511602121 1023204242