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1445577055 = 513208110687
BaseRepresentation
bin101011000101001…
…1100000101011111
310201202002220220221
41112022130011133
510430031431210
6355235422211
750552126236
oct12612340537
93652086827
101445577055
11681a9948a
12344154967
131a0648950
14d9db7b1d
1586d991da
hex5629c15f

1445577055 has 16 divisors (see below), whose sum is σ = 1869202944. Its totient is φ = 1066890240.

The previous prime is 1445577047. The next prime is 1445577083. The reversal of 1445577055 is 5507755441.

It is not a de Polignac number, because 1445577055 - 23 = 1445577047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129922 + ... + 140608.

It is an arithmetic number, because the mean of its divisors is an integer number (116825184).

Almost surely, 21445577055 is an apocalyptic number.

1445577055 is a deficient number, since it is larger than the sum of its proper divisors (423625889).

1445577055 is a wasteful number, since it uses less digits than its factorization.

1445577055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786.

The product of its (nonzero) digits is 490000, while the sum is 43.

The square root of 1445577055 is about 38020.7450610847. The cubic root of 1445577055 is about 1130.6991926769.

The spelling of 1445577055 in words is "one billion, four hundred forty-five million, five hundred seventy-seven thousand, fifty-five".

Divisors: 1 5 13 65 2081 10405 10687 27053 53435 135265 138931 694655 22239647 111198235 289115411 1445577055