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64066067 = 1341120199
BaseRepresentation
bin1111010001100…
…1001000010011
311110112220010022
43310121020103
5112400103232
610205054055
71405360352
oct364311023
9143486108
1064066067
113318886a
121955732b
1310371920
148719999
155957812
hex3d19213

64066067 has 8 divisors (see below), whose sum is σ = 70677600. Its totient is φ = 57695040.

The previous prime is 64066049. The next prime is 64066097. The reversal of 64066067 is 76066046.

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

It is not a de Polignac number, because 64066067 - 212 = 64061971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64066007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59567 + ... + 60632.

It is an arithmetic number, because the mean of its divisors is an integer number (8834700).

Almost surely, 264066067 is an apocalyptic number.

64066067 is a deficient number, since it is larger than the sum of its proper divisors (6611533).

64066067 is a wasteful number, since it uses less digits than its factorization.

64066067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120253.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 64066067 is about 8004.1281224128. The cubic root of 64066067 is about 400.1375922488.

The spelling of 64066067 in words is "sixty-four million, sixty-six thousand, sixty-seven".

Divisors: 1 13 41 533 120199 1562587 4928159 64066067