Search a number
-
+
64285241 = 127506183
BaseRepresentation
bin1111010100111…
…0101000111001
311110222000202212
43311032220321
5112424111431
610213504505
71410262346
oct365165071
9143860685
1064285241
11333184a9
1219642135
131041a607
1487757cd
15599c72b
hex3d4ea39

64285241 has 4 divisors (see below), whose sum is σ = 64791552. Its totient is φ = 63778932.

The previous prime is 64285231. The next prime is 64285259. The reversal of 64285241 is 14258246.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64285241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64285198 and 64285207.

It is not an unprimeable number, because it can be changed into a prime (64285231) 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, 252965 + ... + 253218.

It is an arithmetic number, because the mean of its divisors is an integer number (16197888).

Almost surely, 264285241 is an apocalyptic number.

It is an amenable number.

64285241 is a deficient number, since it is larger than the sum of its proper divisors (506311).

64285241 is a wasteful number, since it uses less digits than its factorization.

64285241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506310.

The product of its digits is 15360, while the sum is 32.

The square root of 64285241 is about 8017.8077427686. The cubic root of 64285241 is about 400.5933714240.

The spelling of 64285241 in words is "sixty-four million, two hundred eighty-five thousand, two hundred forty-one".

Divisors: 1 127 506183 64285241