Search a number
-
+
538516132 = 2271115111579
BaseRepresentation
bin100000000110010…
…001101010100100
31101112022110020221
4200012101222210
52100330004012
6125234134124
716226211610
oct4006215244
91345273227
10538516132
11256a84160
12130421344
138774c3cb
1451740340
1532425507
hex20191aa4

538516132 has 48 divisors (see below), whose sum is σ = 1182827520. Its totient is φ = 208404000.

The previous prime is 538516117. The next prime is 538516151. The reversal of 538516132 is 231615835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40719 + ... + 52297.

It is an arithmetic number, because the mean of its divisors is an integer number (24642240).

Almost surely, 2538516132 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 538516132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591413760).

538516132 is an abundant number, since it is smaller than the sum of its proper divisors (644311388).

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

538516132 is a wasteful number, since it uses less digits than its factorization.

538516132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752 (or 11750 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 538516132 is about 23205.9503576130. The cubic root of 538516132 is about 813.5787048947.

The spelling of 538516132 in words is "five hundred thirty-eight million, five hundred sixteen thousand, one hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 151 154 302 308 604 1057 1661 2114 3322 4228 6644 11579 11627 23158 23254 46316 46508 81053 127369 162106 254738 324212 509476 891583 1748429 1783166 3496858 3566332 6993716 12239003 19232719 24478006 38465438 48956012 76930876 134629033 269258066 538516132