Search a number
-
+
50115660 = 22357177019
BaseRepresentation
bin1011111100101…
…1010001001100
310111022010202120
42333023101030
5100312200120
64550052540
71145655540
oct277132114
9114263676
1050115660
112631a701
121494a150
13a4c8c4a
146927a20
1545ee140
hex2fcb44c

50115660 has 96 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 10779648.

The previous prime is 50115647. The next prime is 50115661. The reversal of 50115660 is 6651105.

50115660 is nontrivially palindromic in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 50115660.

It is not an unprimeable number, because it can be changed into a prime (50115661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3631 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 250115660 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 50115660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

50115660 is an abundant number, since it is smaller than the sum of its proper divisors (119712180).

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

50115660 is a wasteful number, since it uses less digits than its factorization.

50115660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50115660 is about 7079.2414847920. The cubic root of 50115660 is about 368.6869945020.

Adding to 50115660 its reverse (6651105), we get a palindrome (56766765).

It can be divided in two parts, 501 and 15660, that added together give a palindrome (16161).

The spelling of 50115660 in words is "fifty million, one hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7019 7140 14038 21057 28076 35095 42114 49133 70190 84228 98266 105285 119323 140380 147399 196532 210570 238646 245665 294798 357969 421140 477292 491330 589596 596615 715938 736995 835261 982660 1193230 1431876 1473990 1670522 1789845 2386460 2505783 2947980 3341044 3579690 4176305 5011566 7159380 8352610 10023132 12528915 16705220 25057830 50115660