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64480363 = 82777969
BaseRepresentation
bin1111010111111…
…0010001101011
311111022221102121
43311332101223
5113001332423
610222012111
71412034253
oct365762153
9144287377
1064480363
1133441062
1219717037
131048837c
1487c6963
1559da45d
hex3d7e46b

64480363 has 4 divisors (see below), whose sum is σ = 64559160. Its totient is φ = 64401568.

The previous prime is 64480309. The next prime is 64480379. The reversal of 64480363 is 36308446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64480363 - 29 = 64479851 is a prime.

It is a super-2 number, since 2×644803632 = 8315434425223538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64480393) 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 3 ways as a sum of consecutive naturals, for example, 38158 + ... + 39811.

It is an arithmetic number, because the mean of its divisors is an integer number (16139790).

Almost surely, 264480363 is an apocalyptic number.

64480363 is a deficient number, since it is larger than the sum of its proper divisors (78797).

64480363 is an equidigital number, since it uses as much as digits as its factorization.

64480363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78796.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 64480363 is about 8029.9665628195. The cubic root of 64480363 is about 400.9982628557.

The spelling of 64480363 in words is "sixty-four million, four hundred eighty thousand, three hundred sixty-three".

Divisors: 1 827 77969 64480363