Search a number
-
+
28164824 = 233520603
BaseRepresentation
bin110101101110…
…0001011011000
31221222220212122
41223130023120
524202233244
62443400412
7461253122
oct153341330
957886778
1028164824
1114997716
129523108
135ab189c
143a52212
1527151ee
hex1adc2d8

28164824 has 8 divisors (see below), whose sum is σ = 52809060. Its totient is φ = 14082408.

The previous prime is 28164817. The next prime is 28164841. The reversal of 28164824 is 42846182.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1760294 + ... + 1760309.

Almost surely, 228164824 is an apocalyptic number.

It is an amenable number.

28164824 is a deficient number, since it is larger than the sum of its proper divisors (24644236).

28164824 is a wasteful number, since it uses less digits than its factorization.

28164824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520609 (or 3520605 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 28164824 is about 5307.0541734563. The cubic root of 28164824 is about 304.2535684473.

The spelling of 28164824 in words is "twenty-eight million, one hundred sixty-four thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 3520603 7041206 14082412 28164824