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1040442301 = 1975281433
BaseRepresentation
bin111110000000111…
…110001110111101
32200111202221112001
4332000332032331
54112323123201
6251124142301
734532420323
oct7600761675
92614687461
101040442301
11494336778
12250537991
1313772a142
149c277d13
156151e301
hex3e03e3bd

1040442301 has 4 divisors (see below), whose sum is σ = 1045723932. Its totient is φ = 1035160672.

The previous prime is 1040442287. The next prime is 1040442317. The reversal of 1040442301 is 1032440401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 880546276 + 159896025 = 29674^2 + 12645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040442301 - 25 = 1040442269 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 (1040442391) 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, 2640520 + ... + 2640913.

It is an arithmetic number, because the mean of its divisors is an integer number (261430983).

Almost surely, 21040442301 is an apocalyptic number.

It is an amenable number.

1040442301 is a deficient number, since it is larger than the sum of its proper divisors (5281631).

1040442301 is an equidigital number, since it uses as much as digits as its factorization.

1040442301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281630.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040442301 is about 32255.8878501275. The cubic root of 1040442301 is about 1013.3030121232.

Adding to 1040442301 its reverse (1032440401), we get a palindrome (2072882702).

The spelling of 1040442301 in words is "one billion, forty million, four hundred forty-two thousand, three hundred one".

Divisors: 1 197 5281433 1040442301