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1053931305 = 35710037441
BaseRepresentation
bin111110110100011…
…011011100101001
32201110011020221210
4332310123130221
54124301300210
6252325223333
735055161010
oct7664333451
92643136853
101053931305
114a0a0a209
12254b61b49
1313a470abb
149dd89a77
15627d5e20
hex3ed1b729

1053931305 has 16 divisors (see below), whose sum is σ = 1927188864. Its totient is φ = 481797120.

The previous prime is 1053931289. The next prime is 1053931309. The reversal of 1053931305 is 5031393501.

It is not a de Polignac number, because 1053931305 - 24 = 1053931289 is a prime.

It is a super-2 number, since 2×10539313052 = 2221542391318006050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1053931309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018616 + ... + 5018825.

It is an arithmetic number, because the mean of its divisors is an integer number (120449304).

Almost surely, 21053931305 is an apocalyptic number.

1053931305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053931305 is a deficient number, since it is larger than the sum of its proper divisors (873257559).

1053931305 is a wasteful number, since it uses less digits than its factorization.

1053931305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037456.

The product of its (nonzero) digits is 6075, while the sum is 30.

The square root of 1053931305 is about 32464.3081706664. The cubic root of 1053931305 is about 1017.6632735069.

The spelling of 1053931305 in words is "one billion, fifty-three million, nine hundred thirty-one thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 105 10037441 30112323 50187205 70262087 150561615 210786261 351310435 1053931305