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1055273869 = 1383978011
BaseRepresentation
bin111110111001100…
…011001110001101
32201112200110121101
4332321203032031
54130122230434
6252414103101
735102452126
oct7671431615
92645613541
101055273869
114a1746971
122554aaa91
1313a820c10
14a021904d
156299db14
hex3ee6338d

1055273869 has 8 divisors (see below), whose sum is σ = 1150142112. Its totient is φ = 962361840.

The previous prime is 1055273839. The next prime is 1055273887. The reversal of 1055273869 is 9683725501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055273869 - 215 = 1055241101 is a prime.

It is a super-2 number, since 2×10552738692 = 2227205877188458322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055273839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487927 + ... + 490084.

It is an arithmetic number, because the mean of its divisors is an integer number (143767764).

Almost surely, 21055273869 is an apocalyptic number.

It is an amenable number.

1055273869 is a deficient number, since it is larger than the sum of its proper divisors (94868243).

1055273869 is an equidigital number, since it uses as much as digits as its factorization.

1055273869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978107.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1055273869 is about 32484.9791288220. The cubic root of 1055273869 is about 1018.0952113155.

The spelling of 1055273869 in words is "one billion, fifty-five million, two hundred seventy-three thousand, eight hundred sixty-nine".

Divisors: 1 13 83 1079 978011 12714143 81174913 1055273869