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664134 = 23711559
BaseRepresentation
bin10100010001001000110
31020202000120
42202021012
5132223014
622122410
75434152
oct2421106
91222016
10664134
11413a79
12280406
131a33a3
14134062
15d1ba9
hexa2246

664134 has 16 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 218120.

The previous prime is 664133. The next prime is 664141. The reversal of 664134 is 431466.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2664134 is an apocalyptic number.

664134 is an abundant number, since it is smaller than the sum of its proper divisors (683706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664134 is a wasteful number, since it uses less digits than its factorization.

664134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its digits is 1728, while the sum is 24.

The square root of 664134 is about 814.9441698669. The cubic root of 664134 is about 87.2472816837.

The spelling of 664134 in words is "six hundred sixty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 71 142 213 426 1559 3118 4677 9354 110689 221378 332067 664134