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1054343165 = 5210868633
BaseRepresentation
bin111110110101111…
…111111111111101
32201110221011220212
4332311333333331
54124402440130
6252342122205
735061524531
oct7665777775
92643834825
101054343165
114a1170697
12255120365
1313a5863c5
14a0055bc1
1562867e95
hex3ed7fffd

1054343165 has 4 divisors (see below), whose sum is σ = 1265211804. Its totient is φ = 843474528.

The previous prime is 1054343159. The next prime is 1054343177. The reversal of 1054343165 is 5613434501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5613434501 = 19681285221.

It can be written as a sum of positive squares in 2 ways, for example, as 535505881 + 518837284 = 23141^2 + 22778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054343165 - 28 = 1054342909 is a prime.

It is a super-2 number, since 2×10543431652 = 2223279019164434450, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 105434312 + ... + 105434321.

It is an arithmetic number, because the mean of its divisors is an integer number (316302951).

Almost surely, 21054343165 is an apocalyptic number.

It is an amenable number.

1054343165 is a deficient number, since it is larger than the sum of its proper divisors (210868639).

1054343165 is an equidigital number, since it uses as much as digits as its factorization.

1054343165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210868638.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1054343165 is about 32470.6508250143. The cubic root of 1054343165 is about 1017.7958185815.

Adding to 1054343165 its reverse (5613434501), we get a palindrome (6667777666).

The spelling of 1054343165 in words is "one billion, fifty-four million, three hundred forty-three thousand, one hundred sixty-five".

Divisors: 1 5 210868633 1054343165