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64294816 = 2517118189
BaseRepresentation
bin1111010101000…
…0111110100000
311110222111220111
43311100332200
5112424413231
610214021104
71410332305
oct365207640
9143874814
1064294816
1133324713
1219647794
1310421a91
1487790ac
1559a04b1
hex3d50fa0

64294816 has 24 divisors (see below), whose sum is σ = 134027460. Its totient is φ = 30256128.

The previous prime is 64294807. The next prime is 64294819. The reversal of 64294816 is 61849246.

64294816 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 52707600 + 11587216 = 7260^2 + 3404^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (64294819) 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, 58551 + ... + 59638.

Almost surely, 264294816 is an apocalyptic number.

It is an amenable number.

64294816 is an abundant number, since it is smaller than the sum of its proper divisors (69732644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64294816 is a wasteful number, since it uses less digits than its factorization.

64294816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118216 (or 118208 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 64294816 is about 8018.4048288921. The cubic root of 64294816 is about 400.6132593021.

The spelling of 64294816 in words is "sixty-four million, two hundred ninety-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 118189 236378 472756 945512 1891024 2009213 3782048 4018426 8036852 16073704 32147408 64294816