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64053053 = 85974567
BaseRepresentation
bin1111010001010…
…1111100111101
311110112020021022
43310111330331
5112344144203
610204513525
71405304411
oct364257475
9143466238
1064053053
113317a009
121954b8a5
1310368a1c
148714d41
155953a38
hex3d15f3d

64053053 has 4 divisors (see below), whose sum is σ = 64128480. Its totient is φ = 63977628.

The previous prime is 64053049. The next prime is 64053071. The reversal of 64053053 is 35035046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35035046 = 217517523.

It is a cyclic number.

It is not a de Polignac number, because 64053053 - 22 = 64053049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64053013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36425 + ... + 38142.

It is an arithmetic number, because the mean of its divisors is an integer number (16032120).

Almost surely, 264053053 is an apocalyptic number.

It is an amenable number.

64053053 is a deficient number, since it is larger than the sum of its proper divisors (75427).

64053053 is an equidigital number, since it uses as much as digits as its factorization.

64053053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75426.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 64053053 is about 8003.3151256214. The cubic root of 64053053 is about 400.1104965568.

Adding to 64053053 its reverse (35035046), we get a palindrome (99088099).

The spelling of 64053053 in words is "sixty-four million, fifty-three thousand, fifty-three".

Divisors: 1 859 74567 64053053