Search a number
-
+
538522208 = 25741191307
BaseRepresentation
bin100000000110010…
…011001001100000
31101112022202120222
4200012103021200
52100330202313
6125234222212
716226235410
oct4006231140
91345282528
10538522208
11256a88784
12130424968
13877520c3
1451742640
1532427208
hex20193260

538522208 has 96 divisors (see below), whose sum is σ = 1251790848. Its totient is φ = 223257600.

The previous prime is 538522189. The next prime is 538522217. The reversal of 538522208 is 802225835.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1753991 + ... + 1754297.

It is an arithmetic number, because the mean of its divisors is an integer number (13039488).

Almost surely, 2538522208 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 538522208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625895424).

538522208 is an abundant number, since it is smaller than the sum of its proper divisors (713268640).

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

538522208 is a wasteful number, since it uses less digits than its factorization.

538522208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 538522208 is about 23206.0812719425. The cubic root of 538522208 is about 813.5817647137.

The spelling of 538522208 in words is "five hundred thirty-eight million, five hundred twenty-two thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 82 112 164 191 224 287 307 328 382 574 614 656 764 1148 1228 1312 1337 1528 2149 2296 2456 2674 3056 4298 4592 4912 5348 6112 7831 8596 9184 9824 10696 12587 15662 17192 21392 25174 31324 34384 42784 50348 54817 58637 62648 68768 88109 100696 109634 117274 125296 176218 201392 219268 234548 250592 352436 402784 410459 438536 469096 704872 820918 877072 938192 1409744 1641836 1754144 1876384 2404117 2819488 3283672 4808234 6567344 9616468 13134688 16828819 19232936 33657638 38465872 67315276 76931744 134630552 269261104 538522208