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64286452 = 2217945389
BaseRepresentation
bin1111010100111…
…0111011110100
311110222002102201
43311032323310
5112424131302
610213514244
71410266026
oct365167364
9143862381
1064286452
11333193aa
1219642984
131041b029
148776016
15599cc87
hex3d4eef4

64286452 has 12 divisors (see below), whose sum is σ = 119119140. Its totient is φ = 30252416.

The previous prime is 64286413. The next prime is 64286471. The reversal of 64286452 is 25468246.

It can be written as a sum of positive squares in 2 ways, for example, as 58155876 + 6130576 = 7626^2 + 2476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472627 + ... + 472762.

It is an arithmetic number, because the mean of its divisors is an integer number (9926595).

Almost surely, 264286452 is an apocalyptic number.

It is an amenable number.

64286452 is a deficient number, since it is larger than the sum of its proper divisors (54832688).

64286452 is a wasteful number, since it uses less digits than its factorization.

64286452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945410 (or 945408 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 64286452 is about 8017.8832618092. The cubic root of 64286452 is about 400.5958868563.

It can be divided in two parts, 6428 and 6452, that added together give a triangular number (12880 = T160).

The spelling of 64286452 in words is "sixty-four million, two hundred eighty-six thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 945389 1890778 3781556 16071613 32143226 64286452