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502113312 = 253214911701
BaseRepresentation
bin11101111011011…
…010010000100000
31021222210222222100
4131323122100200
52012020111222
6121454010400
715304615131
oct3573322040
91258728870
10502113312
11238480188
121201a6a00
1380044c8c
144a985c88
152e1344ac
hex1deda420

502113312 has 72 divisors (see below), whose sum is σ = 1437590700. Its totient is φ = 166233600.

The previous prime is 502113307. The next prime is 502113371. The reversal of 502113312 is 213311205.

It can be written as a sum of positive squares in 2 ways, for example, as 499790736 + 2322576 = 22356^2 + 1524^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37062 + ... + 48762.

Almost surely, 2502113312 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 502113312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718795350).

502113312 is an abundant number, since it is smaller than the sum of its proper divisors (935477388).

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

502113312 is a wasteful number, since it uses less digits than its factorization.

502113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11855 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 502113312 is about 22407.8850407619. The cubic root of 502113312 is about 794.8171787988.

Adding to 502113312 its reverse (213311205), we get a palindrome (715424517).

The spelling of 502113312 in words is "five hundred two million, one hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 149 288 298 447 596 894 1192 1341 1788 2384 2682 3576 4768 5364 7152 10728 11701 14304 21456 23402 35103 42912 46804 70206 93608 105309 140412 187216 210618 280824 374432 421236 561648 842472 1123296 1684944 1743449 3369888 3486898 5230347 6973796 10460694 13947592 15691041 20921388 27895184 31382082 41842776 55790368 62764164 83685552 125528328 167371104 251056656 502113312