Search a number
-
+
245601728 = 2623166849
BaseRepresentation
bin11101010001110…
…01010111000000
3122010010212020022
432220321113000
51000333223403
640212033012
76041403011
oct1650712700
9563125208
10245601728
111166aa239
126a302768
133bb62788
1424893008
1516865d38
hexea395c0

245601728 has 28 divisors (see below), whose sum is σ = 508558800. Its totient is φ = 117460992.

The previous prime is 245601691. The next prime is 245601739. The reversal of 245601728 is 827106542.

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 in 3 ways as a sum of consecutive naturals, for example, 81953 + ... + 84896.

Almost surely, 2245601728 is an apocalyptic number.

It is an amenable number.

245601728 is an abundant number, since it is smaller than the sum of its proper divisors (262957072).

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

245601728 is a wasteful number, since it uses less digits than its factorization.

245601728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166884 (or 166874 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 245601728 is about 15671.6855506994. The cubic root of 245601728 is about 626.2443288823.

The spelling of 245601728 in words is "two hundred forty-five million, six hundred one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 166849 333698 667396 1334792 2669584 3837527 5339168 7675054 10678336 15350108 30700216 61400432 122800864 245601728