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1053943287 = 34337921557
BaseRepresentation
bin111110110100011…
…110010111110111
32201110011212101120
4332310132113313
54124302141122
6252325355023
735055240645
oct7664362767
92643155346
101053943287
114a0a18211
12254b68a73
1313a4763a7
149dd90195
15627d975c
hex3ed1e5f7

1053943287 has 16 divisors (see below), whose sum is σ = 1441799040. Its totient is φ = 684446112.

The previous prime is 1053943279. The next prime is 1053943291. The reversal of 1053943287 is 7823493501.

It is not a de Polignac number, because 1053943287 - 23 = 1053943279 is a prime.

It is a super-2 number, since 2×10539432872 = 2221592904424728738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053943207) 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, 38113 + ... + 59669.

It is an arithmetic number, because the mean of its divisors is an integer number (90112440).

Almost surely, 21053943287 is an apocalyptic number.

1053943287 is a deficient number, since it is larger than the sum of its proper divisors (387855753).

1053943287 is a wasteful number, since it uses less digits than its factorization.

1053943287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1053943287 is about 32464.4927112684. The cubic root of 1053943287 is about 1017.6671300502.

The spelling of 1053943287 in words is "one billion, fifty-three million, nine hundred forty-three thousand, two hundred eighty-seven".

Divisors: 1 3 43 129 379 1137 16297 21557 48891 64671 926951 2780853 8170103 24510309 351314429 1053943287