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1055465057 = 4324545699
BaseRepresentation
bin111110111010010…
…001111001100001
32201120001011212102
4332322101321201
54130144340212
6252422140145
735104206413
oct7672217141
92646034772
101055465057
114a1867579
12255581655
1313a889c4a
14a02689b3
15629da5c2
hex3ee91e61

1055465057 has 4 divisors (see below), whose sum is σ = 1080010800. Its totient is φ = 1030919316.

The previous prime is 1055465023. The next prime is 1055465093. The reversal of 1055465057 is 7505645501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7505645501 = 16094664789.

It is a cyclic number.

It is not a de Polignac number, because 1055465057 - 218 = 1055202913 is a prime.

It is a super-2 number, since 2×10554650572 = 2228012973096026498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055465057.

It is not an unprimeable number, because it can be changed into a prime (1055465017) 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 3 ways as a sum of consecutive naturals, for example, 12272807 + ... + 12272892.

It is an arithmetic number, because the mean of its divisors is an integer number (270002700).

Almost surely, 21055465057 is an apocalyptic number.

It is an amenable number.

1055465057 is a deficient number, since it is larger than the sum of its proper divisors (24545743).

1055465057 is an equidigital number, since it uses as much as digits as its factorization.

1055465057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24545742.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 1055465057 is about 32487.9217094600. The cubic root of 1055465057 is about 1018.1566916696.

The spelling of 1055465057 in words is "one billion, fifty-five million, four hundred sixty-five thousand, fifty-seven".

Divisors: 1 43 24545699 1055465057