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1075987417 = 3733786293
BaseRepresentation
bin100000000100010…
…0100001111011001
32202222122211020211
41000020210033121
54200423044132
6254434051121
735443512361
oct10010441731
92688584224
101075987417
115024042aa
12260419aa1
13141bc405b
14a2c8b9a1
15646e1147
hex402243d9

1075987417 has 8 divisors (see below), whose sum is σ = 1108360136. Its totient is φ = 1043788032.

The previous prime is 1075987373. The next prime is 1075987421. The reversal of 1075987417 is 7147895701.

It can be written as a sum of positive squares in 4 ways, for example, as 25190361 + 1050797056 = 5019^2 + 32416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1075987417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075987487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30678 + ... + 55615.

It is an arithmetic number, because the mean of its divisors is an integer number (138545017).

Almost surely, 21075987417 is an apocalyptic number.

It is an amenable number.

1075987417 is a deficient number, since it is larger than the sum of its proper divisors (32372719).

1075987417 is an equidigital number, since it uses as much as digits as its factorization.

1075987417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86667.

The product of its (nonzero) digits is 493920, while the sum is 49.

The square root of 1075987417 is about 32802.2471333901. The cubic root of 1075987417 is about 1024.7133577220.

The spelling of 1075987417 in words is "one billion, seventy-five million, nine hundred eighty-seven thousand, four hundred seventeen".

Divisors: 1 37 337 12469 86293 3192841 29080741 1075987417