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64714449 = 321571483
BaseRepresentation
bin1111011011011…
…1011011010001
311111202211112110
43312313123101
5113031330244
610231015533
71414030602
oct366673321
9144684473
1064714449
1133590a18
121980a5a9
131053aa97
148847da9
155a349b9
hex3db76d1

64714449 has 4 divisors (see below), whose sum is σ = 86285936. Its totient is φ = 43142964.

The previous prime is 64714439. The next prime is 64714477. The reversal of 64714449 is 94441746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64714449 - 221 = 62617297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64714409) 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, 10785739 + ... + 10785744.

It is an arithmetic number, because the mean of its divisors is an integer number (21571484).

Almost surely, 264714449 is an apocalyptic number.

It is an amenable number.

64714449 is a deficient number, since it is larger than the sum of its proper divisors (21571487).

64714449 is a wasteful number, since it uses less digits than its factorization.

64714449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21571486.

The product of its digits is 96768, while the sum is 39.

The square root of 64714449 is about 8044.5291347598. The cubic root of 64714449 is about 401.4829309125.

The spelling of 64714449 in words is "sixty-four million, seven hundred fourteen thousand, four hundred forty-nine".

Divisors: 1 3 21571483 64714449