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664001230 = 2571935213
BaseRepresentation
bin100111100100111…
…101101011001110
31201021102202110011
4213210331223032
52324441014410
6145515503434
722311626434
oct4744755316
91637382404
10664001230
113108a1a52
12166457b7a
13a7746b49
1464286d54
153d46118a
hex2793dace

664001230 has 16 divisors (see below), whose sum is σ = 1212037344. Its totient is φ = 261859360.

The previous prime is 664001213. The next prime is 664001231. The reversal of 664001230 is 32100466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664001231) 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, 466897 + ... + 468316.

It is an arithmetic number, because the mean of its divisors is an integer number (75752334).

Almost surely, 2664001230 is an apocalyptic number.

664001230 is a deficient number, since it is larger than the sum of its proper divisors (548036114).

664001230 is a wasteful number, since it uses less digits than its factorization.

664001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935291.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 664001230 is about 25768.2213200679. The cubic root of 664001230 is about 872.4146729801.

Adding to 664001230 its reverse (32100466), we get a palindrome (696101696).

The spelling of 664001230 in words is "six hundred sixty-four million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 935213 1870426 4676065 9352130 66400123 132800246 332000615 664001230