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1055042047 = 47913011693
BaseRepresentation
bin111110111000101…
…010100111111111
32201112020200121101
4332320222213333
54130042321142
6252405113531
735100465223
oct7670524777
92645220541
101055042047
114a15a8784
122553b88a7
1313a76c547
14a0198783
15629550b7
hex3ee2a9ff

1055042047 has 8 divisors (see below), whose sum is σ = 1058682240. Its totient is φ = 1051408800.

The previous prime is 1055041973. The next prime is 1055042059. The reversal of 1055042047 is 7402405501.

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 1055042047 - 215 = 1055009279 is a prime.

It is a super-2 number, since 2×10550420472 = 2226227441875900418, 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 (1055042347) 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, 622333 + ... + 624025.

It is an arithmetic number, because the mean of its divisors is an integer number (132335280).

Almost surely, 21055042047 is an apocalyptic number.

1055042047 is a deficient number, since it is larger than the sum of its proper divisors (3640193).

1055042047 is a wasteful number, since it uses less digits than its factorization.

1055042047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1055042047 is about 32481.4107914050. The cubic root of 1055042047 is about 1018.0206543183.

Adding to 1055042047 its reverse (7402405501), we get a palindrome (8457447548).

The spelling of 1055042047 in words is "one billion, fifty-five million, forty-two thousand, forty-seven".

Divisors: 1 479 1301 1693 623179 810947 2202593 1055042047