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64550341 = 433149077
BaseRepresentation
bin1111011000111…
…1010111000101
311111110111102101
43312033113011
5113011102331
610223312101
71412445262
oct366172705
9144414371
1064550341
1133489699
121974b631
13104b118b
148804269
155a01061
hex3d8f5c5

64550341 has 4 divisors (see below), whose sum is σ = 64699852. Its totient is φ = 64400832.

The previous prime is 64550333. The next prime is 64550357. The reversal of 64550341 is 14305546.

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 41654116 + 22896225 = 6454^2 + 4785^2 .

It is a cyclic number.

It is not a de Polignac number, because 64550341 - 23 = 64550333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550041) 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, 74106 + ... + 74971.

It is an arithmetic number, because the mean of its divisors is an integer number (16174963).

Almost surely, 264550341 is an apocalyptic number.

It is an amenable number.

64550341 is a deficient number, since it is larger than the sum of its proper divisors (149511).

64550341 is a wasteful number, since it uses less digits than its factorization.

64550341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149510.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64550341 is about 8034.3226845827. The cubic root of 64550341 is about 401.1432729542.

Adding to 64550341 its reverse (14305546), we get a palindrome (78855887).

The spelling of 64550341 in words is "sixty-four million, five hundred fifty thousand, three hundred forty-one".

Divisors: 1 433 149077 64550341