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1042826317 = 1380217409
BaseRepresentation
bin111110001010000…
…100010001001101
32200200021001202221
4332022010101031
54113430420232
6251251215341
734561606651
oct7612042115
92620231687
101042826317
11495714935
122512a7551
131380832c0
149c6d8a61
1561840897
hex3e28444d

1042826317 has 4 divisors (see below), whose sum is σ = 1123043740. Its totient is φ = 962608896.

The previous prime is 1042826311. The next prime is 1042826333. The reversal of 1042826317 is 7136282401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7136282401 = 59120953939.

It can be written as a sum of positive squares in 2 ways, for example, as 475719721 + 567106596 = 21811^2 + 23814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042826317 - 211 = 1042824269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042826311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40108692 + ... + 40108717.

It is an arithmetic number, because the mean of its divisors is an integer number (280760935).

Almost surely, 21042826317 is an apocalyptic number.

It is an amenable number.

1042826317 is a deficient number, since it is larger than the sum of its proper divisors (80217423).

1042826317 is an equidigital number, since it uses as much as digits as its factorization.

1042826317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80217422.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1042826317 is about 32292.8214468789. The cubic root of 1042826317 is about 1014.0763652260.

The spelling of 1042826317 in words is "one billion, forty-two million, eight hundred twenty-six thousand, three hundred seventeen".

Divisors: 1 13 80217409 1042826317