Search a number
-
+
578390268 = 223291662041
BaseRepresentation
bin100010011110011…
…000100011111100
31111022100021021210
4202132120203330
52141031442033
6133220524420
720222144001
oct4236304374
91438307253
10578390268
11277539195
12141850710
1392aa0881
1456b5d8a8
1535b9ed63
hex227988fc

578390268 has 24 divisors (see below), whose sum is σ = 1396115280. Its totient is φ = 186148480.

The previous prime is 578390257. The next prime is 578390311. The reversal of 578390268 is 862093875.

578390268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5783902682 = 669070604234223648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830673 + ... + 831368.

It is an arithmetic number, because the mean of its divisors is an integer number (58171470).

Almost surely, 2578390268 is an apocalyptic number.

578390268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

578390268 is an abundant number, since it is smaller than the sum of its proper divisors (817725012).

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

578390268 is a wasteful number, since it uses less digits than its factorization.

578390268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662077 (or 1662075 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 578390268 is about 24049.7456951212. The cubic root of 578390268 is about 833.1828570254.

The spelling of 578390268 in words is "five hundred seventy-eight million, three hundred ninety thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1662041 3324082 4986123 6648164 9972246 19944492 48199189 96398378 144597567 192796756 289195134 578390268