Search a number
1053545393 = 6171707529
BaseRepresentation
bin111110110010111…
…101001110110001
32201102102122120202
4332302331032301
54124201423033
6252313044545
735051662625
oct7662751661
92642378522
101053545393
114a077627a
122549b6755
1313a367254
149dcc9185
156275b8e8
hex3ecbd3b1

1053545393 has 4 divisors (see below), whose sum is σ = 1055253540. Its totient is φ = 1051837248.

The previous prime is 1053545387. The next prime is 1053545413. The reversal of 1053545393 is 3935453501.

Adding to 1053545393 its reverse (3935453501), we get a palindrome (4988998894).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3935453501 = 7562207643.

It can be written as a sum of positive squares in 2 ways, for example, as 74356129 + 979189264 = 8623^2 + 31292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053545393 - 210 = 1053544369 is a prime.

It is a super-2 number, since 2×10535453932 = 2219915790223048898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053545333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853148 + ... + 854381.

It is an arithmetic number, because the mean of its divisors is an integer number (263813385).

Almost surely, 21053545393 is an apocalyptic number.

It is an amenable number.

1053545393 is a deficient number, since it is larger than the sum of its proper divisors (1708147).

1053545393 is an equidigital number, since it uses as much as digits as its factorization.

1053545393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708146.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 1053545393 is about 32458.3639914275. The cubic root of 1053545393 is about 1017.5390476959.

The spelling of 1053545393 in words is "one billion, fifty-three million, five hundred forty-five thousand, three hundred ninety-three".

Divisors: 1 617 1707529 1053545393