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1053775891 = 71941193247
BaseRepresentation
bin111110110011110…
…101100000010011
32201102212100202201
4332303311200103
54124231312031
6252322024031
735053642630
oct7663654023
92642770681
101053775891
114a0913473
12254aa8017
1313a41813c
149dd49187
15627a4d61
hex3ecf5813

1053775891 has 16 divisors (see below), whose sum is σ = 1298626560. Its totient is φ = 834822720.

The previous prime is 1053775883. The next prime is 1053775907. The reversal of 1053775891 is 1985773501.

It is a cyclic number.

It is not a de Polignac number, because 1053775891 - 23 = 1053775883 is a prime.

It is a super-2 number, since 2×10537758912 = 2220887256905687762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053775831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91171 + ... + 102076.

It is an arithmetic number, because the mean of its divisors is an integer number (81164160).

Almost surely, 21053775891 is an apocalyptic number.

1053775891 is a deficient number, since it is larger than the sum of its proper divisors (244850669).

1053775891 is a wasteful number, since it uses less digits than its factorization.

1053775891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193314.

The product of its (nonzero) digits is 264600, while the sum is 46.

The square root of 1053775891 is about 32461.9144691129. The cubic root of 1053775891 is about 1017.6132490907.

The spelling of 1053775891 in words is "one billion, fifty-three million, seven hundred seventy-five thousand, eight hundred ninety-one".

Divisors: 1 7 19 41 133 287 779 5453 193247 1352729 3671693 7923127 25701851 55461889 150539413 1053775891