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164488 = 2329709
BaseRepresentation
bin101000001010001000
322100122011
4220022020
520230423
63305304
71253362
oct501210
9270564
10164488
11102645
127b234
1359b3c
1443d32
1533b0d
hex28288

164488 has 16 divisors (see below), whose sum is σ = 319500. Its totient is φ = 79296.

The previous prime is 164477. The next prime is 164503. The reversal of 164488 is 884461.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 6084 = 398^2 + 78^2 .

It is an unprimeable number.

164488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123 + ... + 586.

2164488 is an apocalyptic number.

It is an amenable number.

164488 is a deficient number, since it is larger than the sum of its proper divisors (155012).

164488 is a wasteful number, since it uses less digits than its factorization.

164488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 740 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 164488 is about 405.5712021335. The cubic root of 164488 is about 54.7912750064.

The spelling of 164488 in words is "one hundred sixty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 29 58 116 232 709 1418 2836 5672 20561 41122 82244 164488