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64514452 = 2219184443
BaseRepresentation
bin1111011000011…
…0100110010100
311111101200012011
43312012212110
5113003430302
610222434004
71412235532
oct366064624
9144350164
1064514452
1133464732
1219732904
131049aa42
1487d5152
1559e55d7
hex3d86994

64514452 has 12 divisors (see below), whose sum is σ = 113492736. Its totient is φ = 32087960.

The previous prime is 64514431. The next prime is 64514459. The reversal of 64514452 is 25441546.

It is a happy number.

64514452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×645144522 = 8324229033720608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64514459) 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, 41458 + ... + 42985.

It is an arithmetic number, because the mean of its divisors is an integer number (9457728).

Almost surely, 264514452 is an apocalyptic number.

It is an amenable number.

64514452 is a deficient number, since it is larger than the sum of its proper divisors (48978284).

64514452 is a wasteful number, since it uses less digits than its factorization.

64514452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84638 (or 84636 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 64514452 is about 8032.0888939304. The cubic root of 64514452 is about 401.0689160020.

Adding to 64514452 its reverse (25441546), we get a palindrome (89955998).

The spelling of 64514452 in words is "sixty-four million, five hundred fourteen thousand, four hundred fifty-two".

Divisors: 1 2 4 191 382 764 84443 168886 337772 16128613 32257226 64514452