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64230245 = 512846049
BaseRepresentation
bin1111010100000…
…1001101100101
311110212020022222
43311001031211
5112420331440
610212402125
71406643122
oct365011545
9143766288
1064230245
1133290152
1219616345
13103cb581
14875d749
15598b2b5
hex3d41365

64230245 has 4 divisors (see below), whose sum is σ = 77076300. Its totient is φ = 51384192.

The previous prime is 64230209. The next prime is 64230251. The reversal of 64230245 is 54203246.

64230245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36372961 + 27857284 = 6031^2 + 5278^2 .

It is a cyclic number.

It is not a de Polignac number, because 64230245 - 26 = 64230181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6423020 + ... + 6423029.

It is an arithmetic number, because the mean of its divisors is an integer number (19269075).

Almost surely, 264230245 is an apocalyptic number.

It is an amenable number.

64230245 is a deficient number, since it is larger than the sum of its proper divisors (12846055).

64230245 is a wasteful number, since it uses less digits than its factorization.

64230245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846054.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 64230245 is about 8014.3773931604. The cubic root of 64230245 is about 400.4791030050.

The spelling of 64230245 in words is "sixty-four million, two hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 12846049 64230245