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64275284 = 2225936197
BaseRepresentation
bin1111010100110…
…0001101010100
311110221112010002
43311030031110
5112423302114
610213350432
71410221333
oct365141524
9143845102
1064275284
1133310a77
1219638418
1310415c18
148771d1a
1559997de
hex3d4c354

64275284 has 12 divisors (see below), whose sum is σ = 112543284. Its totient is φ = 32120064.

The previous prime is 64275257. The next prime is 64275287. The reversal of 64275284 is 48257246.

64275284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32035600 + 32239684 = 5660^2 + 5678^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64275287) by changing a digit.

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, 7274 + ... + 13470.

It is an arithmetic number, because the mean of its divisors is an integer number (9378607).

Almost surely, 264275284 is an apocalyptic number.

It is an amenable number.

64275284 is a deficient number, since it is larger than the sum of its proper divisors (48268000).

64275284 is a wasteful number, since it uses less digits than its factorization.

64275284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794 (or 8792 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 64275284 is about 8017.1867883940. The cubic root of 64275284 is about 400.5726880131.

It can be divided in two parts, 6427 and 5284, that added together give a palindrome (11711).

The spelling of 64275284 in words is "sixty-four million, two hundred seventy-five thousand, two hundred eighty-four".

Divisors: 1 2 4 2593 5186 6197 10372 12394 24788 16068821 32137642 64275284