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538821152 = 25191515869
BaseRepresentation
bin100000000111011…
…100001000100000
31101112212221122222
4200013130020200
52100414234102
6125244450212
716231622102
oct4007341040
91345787588
10538821152
11257172341
12130549968
13878281ac
14517bd572
1532485aa2
hex201dc220

538821152 has 48 divisors (see below), whose sum is σ = 1124222400. Its totient is φ = 253497600.

The previous prime is 538821097. The next prime is 538821167. The reversal of 538821152 is 251128835.

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, 88874 + ... + 94742.

It is an arithmetic number, because the mean of its divisors is an integer number (23421300).

Almost surely, 2538821152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538821152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562111200).

538821152 is an abundant number, since it is smaller than the sum of its proper divisors (585401248).

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

538821152 is a wasteful number, since it uses less digits than its factorization.

538821152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049 (or 6041 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 538821152 is about 23212.5214485631. The cubic root of 538821152 is about 813.7322818096.

Adding to 538821152 its reverse (251128835), we get a palindrome (789949987).

The spelling of 538821152 in words is "five hundred thirty-eight million, eight hundred twenty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 19 32 38 76 151 152 302 304 604 608 1208 2416 2869 4832 5738 5869 11476 11738 22952 23476 45904 46952 91808 93904 111511 187808 223022 446044 886219 892088 1772438 1784176 3544876 3568352 7089752 14179504 16838161 28359008 33676322 67352644 134705288 269410576 538821152