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64305212 = 2247342049
BaseRepresentation
bin1111010101001…
…1100000111100
311111000001011112
43311103200330
5112430231322
610214141152
71410404516
oct365234074
9144001145
1064305212
1133331504
12196517b8
131042672a
14877cbb6
1559a35e2
hex3d5383c

64305212 has 12 divisors (see below), whose sum is σ = 114928800. Its totient is φ = 31468416.

The previous prime is 64305211. The next prime is 64305233. The reversal of 64305212 is 21250346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64305211) 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, 170837 + ... + 171212.

It is an arithmetic number, because the mean of its divisors is an integer number (9577400).

Almost surely, 264305212 is an apocalyptic number.

It is an amenable number.

64305212 is a deficient number, since it is larger than the sum of its proper divisors (50623588).

64305212 is a wasteful number, since it uses less digits than its factorization.

64305212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342100 (or 342098 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64305212 is about 8019.0530613034. The cubic root of 64305212 is about 400.6348502133.

Adding to 64305212 its reverse (21250346), we get a palindrome (85555558).

The spelling of 64305212 in words is "sixty-four million, three hundred five thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 342049 684098 1368196 16076303 32152606 64305212