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1052442031 = 5571889483
BaseRepresentation
bin111110101110101…
…111110110101111
32201100100121001111
4332232233312233
54123411121111
6252233252451
735036416054
oct7656576657
92640317044
101052442031
114a0092303
12254564127
1313a06bc84
149dabd02b
15625dea21
hex3ebafdaf

1052442031 has 4 divisors (see below), whose sum is σ = 1054332072. Its totient is φ = 1050551992.

The previous prime is 1052442019. The next prime is 1052442037. The reversal of 1052442031 is 1302442501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052442031 - 221 = 1050344879 is a prime.

It is a super-2 number, since 2×10524420312 = 2215268457230809922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052441993 and 1052442011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052442037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944185 + ... + 945298.

It is an arithmetic number, because the mean of its divisors is an integer number (263583018).

Almost surely, 21052442031 is an apocalyptic number.

1052442031 is a deficient number, since it is larger than the sum of its proper divisors (1890041).

1052442031 is an equidigital number, since it uses as much as digits as its factorization.

1052442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890040.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1052442031 is about 32441.3629645858. The cubic root of 1052442031 is about 1017.1837059175.

Adding to 1052442031 its reverse (1302442501), we get a palindrome (2354884532).

The spelling of 1052442031 in words is "one billion, fifty-two million, four hundred forty-two thousand, thirty-one".

Divisors: 1 557 1889483 1052442031