[go: up one dir, main page]

Search a number
-
+
505212032 = 2713303613
BaseRepresentation
bin11110000111001…
…110110010000000
31022012122102121202
4132013032302000
52013313241112
6122044240332
715343142243
oct3607166200
91265572552
10505212032
1123a1a7306
121212400a8
138088b540
144b15125a
152e5476c2
hex1e1cec80

505212032 has 32 divisors (see below), whose sum is σ = 1083901980. Its totient is φ = 233174016.

The previous prime is 505212017. The next prime is 505212079. The reversal of 505212032 is 230212505.

It can be written as a sum of positive squares in 2 ways, for example, as 458645056 + 46566976 = 21416^2 + 6824^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 505211995 and 505212013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150143 + ... + 153470.

Almost surely, 2505212032 is an apocalyptic number.

505212032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505212032 is an abundant number, since it is smaller than the sum of its proper divisors (578689948).

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

505212032 is a wasteful number, since it uses less digits than its factorization.

505212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303640 (or 303628 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 505212032 is about 22476.9222092350. The cubic root of 505212032 is about 796.4488600805.

Adding to 505212032 its reverse (230212505), we get a palindrome (735424537).

The spelling of 505212032 in words is "five hundred five million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 416 832 1664 303613 607226 1214452 2428904 3946969 4857808 7893938 9715616 15787876 19431232 31575752 38862464 63151504 126303008 252606016 505212032