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64853852 = 2272330887
BaseRepresentation
bin1111011101100…
…1011101011100
311112000220202112
43313121131130
5113100310402
610234013152
71415151200
oct367313534
9145026675
1064853852
1133676728
12198771b8
131058937b
148882b00
155a60e52
hex3dd975c

64853852 has 18 divisors (see below), whose sum is σ = 132024312. Its totient is φ = 27794424.

The previous prime is 64853851. The next prime is 64853869. The reversal of 64853852 is 25835846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853851) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 165248 + ... + 165639.

It is an arithmetic number, because the mean of its divisors is an integer number (7334684).

Almost surely, 264853852 is an apocalyptic number.

It is an amenable number.

64853852 is an abundant number, since it is smaller than the sum of its proper divisors (67170460).

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

64853852 is a wasteful number, since it uses less digits than its factorization.

64853852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330905 (or 330896 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 64853852 is about 8053.1889335840. The cubic root of 64853852 is about 401.7710056089.

The spelling of 64853852 in words is "sixty-four million, eight hundred fifty-three thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 330887 661774 1323548 2316209 4632418 9264836 16213463 32426926 64853852