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1075521093 = 31077694357
BaseRepresentation
bin100000000011011…
…0010011001000101
32202221210010120120
41000012302121011
54200313133333
6254420052153
735436531003
oct10006623105
92687703516
101075521093
11502115a09
12260234059
13141a8ca1a
14a2ba9a73
156464cdb3
hex401b2645

1075521093 has 16 divisors (see below), whose sum is σ = 1449645120. Its totient is φ = 709226496.

The previous prime is 1075521091. The next prime is 1075521113. The reversal of 1075521093 is 3901255701.

It is not a de Polignac number, because 1075521093 - 21 = 1075521091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075521091) 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 15 ways as a sum of consecutive naturals, for example, 244671 + ... + 249027.

It is an arithmetic number, because the mean of its divisors is an integer number (90602820).

Almost surely, 21075521093 is an apocalyptic number.

It is an amenable number.

1075521093 is a deficient number, since it is larger than the sum of its proper divisors (374124027).

1075521093 is a wasteful number, since it uses less digits than its factorization.

1075521093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 1075521093 is about 32795.1382524910. The cubic root of 1075521093 is about 1024.5653022482.

Adding to 1075521093 its reverse (3901255701), we get a palindrome (4976776794).

The spelling of 1075521093 in words is "one billion, seventy-five million, five hundred twenty-one thousand, ninety-three".

Divisors: 1 3 107 321 769 2307 4357 13071 82283 246849 466199 1398597 3350533 10051599 358507031 1075521093