Search a number
-
+
505431052 = 227591631877
BaseRepresentation
bin11110001000000…
…100010000001100
31022020001120001121
4132020010100030
52013342243202
6122053050324
715345043630
oct3610042014
91266046047
10505431052
1123a336915
121213269a4
1380937139
144b1aadc0
152e58c537
hex1e20440c

505431052 has 48 divisors (see below), whose sum is σ = 1034853120. Its totient is φ = 211522752.

The previous prime is 505431041. The next prime is 505431077. The reversal of 505431052 is 250134505.

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, 268338 + ... + 270214.

It is an arithmetic number, because the mean of its divisors is an integer number (21559440).

Almost surely, 2505431052 is an apocalyptic number.

It is an amenable number.

505431052 is an abundant number, since it is smaller than the sum of its proper divisors (529422068).

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

505431052 is a wasteful number, since it uses less digits than its factorization.

505431052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505431052 is about 22481.7937896423. The cubic root of 505431052 is about 796.5639358750.

Adding to 505431052 its reverse (250134505), we get a palindrome (755565557).

The spelling of 505431052 in words is "five hundred five million, four hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 7 14 28 59 118 163 236 326 413 652 826 1141 1652 1877 2282 3754 4564 7508 9617 13139 19234 26278 38468 52556 67319 110743 134638 221486 269276 305951 442972 611902 775201 1223804 1550402 2141657 3100804 4283314 8566628 18051109 36102218 72204436 126357763 252715526 505431052