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1413021819 = 311312515503
BaseRepresentation
bin101010000111001…
…0000000001111011
310122110211221112110
41110032100001323
510343213144234
6352113543403
750005326066
oct12416200173
93573757473
101413021819
11665683230
12335274b63
1319698a8b1
14d59418dd
15840b81e9
hex5439007b

1413021819 has 32 divisors (see below), whose sum is σ = 2130444288. Its totient is φ = 825300000.

The previous prime is 1413021809. The next prime is 1413021821. The reversal of 1413021819 is 9181203141.

It is not a de Polignac number, because 1413021819 - 24 = 1413021803 is a prime.

It is a super-2 number, since 2×14130218192 = 3993261321940137522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1413021809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254022 + ... + 259524.

It is an arithmetic number, because the mean of its divisors is an integer number (66576384).

Almost surely, 21413021819 is an apocalyptic number.

1413021819 is a deficient number, since it is larger than the sum of its proper divisors (717422469).

1413021819 is a wasteful number, since it uses less digits than its factorization.

1413021819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1413021819 is about 37590.1824816002. The cubic root of 1413021819 is about 1122.1466639217.

The spelling of 1413021819 in words is "one billion, four hundred thirteen million, twenty-one thousand, eight hundred nineteen".

Divisors: 1 3 11 31 33 93 251 341 753 1023 2761 5503 7781 8283 16509 23343 60533 85591 170593 181599 256773 511779 1381253 1876523 4143759 5629569 15193783 42818843 45581349 128456529 471007273 1413021819