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1119450469 = 2417463157
BaseRepresentation
bin100001010111001…
…0111010101100101
32220000102222100111
41002232113111211
54243034403334
6303025413021
736512112664
oct10256272545
92800388314
101119450469
1152499a785
12272a9a171
1314ac00c37
14a8962ddb
1568429064
hex42b97565

1119450469 has 4 divisors (see below), whose sum is σ = 1119916044. Its totient is φ = 1118984896.

The previous prime is 1119450463. The next prime is 1119450481. The reversal of 1119450469 is 9640549111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9640549111 = 15676152233.

It can be written as a sum of positive squares in 2 ways, for example, as 1094749569 + 24700900 = 33087^2 + 4970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119450469 - 215 = 1119417701 is a prime.

It is a super-2 number, since 2×11194504692 = 2506338705088639922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119450463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229162 + ... + 233995.

It is an arithmetic number, because the mean of its divisors is an integer number (279979011).

Almost surely, 21119450469 is an apocalyptic number.

It is an amenable number.

1119450469 is a deficient number, since it is larger than the sum of its proper divisors (465575).

1119450469 is an equidigital number, since it uses as much as digits as its factorization.

1119450469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465574.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1119450469 is about 33458.1898643665. The cubic root of 1119450469 is about 1038.3289451746.

The spelling of 1119450469 in words is "one billion, one hundred nineteen million, four hundred fifty thousand, four hundred sixty-nine".

Divisors: 1 2417 463157 1119450469