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64049239 = 229389719
BaseRepresentation
bin1111010001010…
…1000001010111
311110112001001001
43310111001113
5112344033424
610204444131
71405260322
oct364250127
9143461031
1064049239
1133177161
1219549647
1310367077
1487137b9
155952844
hex3d15057

64049239 has 8 divisors (see below), whose sum is σ = 64584000. Its totient is φ = 63517152.

The previous prime is 64049233. The next prime is 64049269. The reversal of 64049239 is 93294046.

64049239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64049239 - 215 = 64016471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64049198 and 64049207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64049233) 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 7 ways as a sum of consecutive naturals, for example, 88722 + ... + 89440.

It is an arithmetic number, because the mean of its divisors is an integer number (8073000).

Almost surely, 264049239 is an apocalyptic number.

64049239 is a deficient number, since it is larger than the sum of its proper divisors (534761).

64049239 is a wasteful number, since it uses less digits than its factorization.

64049239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 64049239 is about 8003.0768458137. The cubic root of 64049239 is about 400.1025549540.

The spelling of 64049239 in words is "sixty-four million, forty-nine thousand, two hundred thirty-nine".

Divisors: 1 229 389 719 89081 164651 279691 64049239