Search a number
-
+
64500241 = 1361163499
BaseRepresentation
bin1111011000001…
…1001000010001
311111100221200211
43312003020101
5113003001431
610222244121
71412146231
oct366031021
9144327624
1064500241
1133454a93
1219726641
1310494430
1487cdcc1
1559e12b1
hex3d83211

64500241 has 16 divisors (see below), whose sum is σ = 71176000. Its totient is φ = 58086720.

The previous prime is 64500239. The next prime is 64500251. The reversal of 64500241 is 14200546.

It is a cyclic number.

It is not a de Polignac number, because 64500241 - 21 = 64500239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64500221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129010 + ... + 129508.

It is an arithmetic number, because the mean of its divisors is an integer number (4448500).

Almost surely, 264500241 is an apocalyptic number.

64500241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

64500241 is a deficient number, since it is larger than the sum of its proper divisors (6675759).

64500241 is a wasteful number, since it uses less digits than its factorization.

64500241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 64500241 is about 8031.2042060951. The cubic root of 64500241 is about 401.0394651904.

Adding to 64500241 its reverse (14200546), we get a palindrome (78700787).

The spelling of 64500241 in words is "sixty-four million, five hundred thousand, two hundred forty-one".

Divisors: 1 13 61 163 499 793 2119 6487 9943 30439 81337 129259 395707 1057381 4961557 64500241