Search a number
-
+
52052100 = 223522931193
BaseRepresentation
bin1100011010010…
…0000010000100
310121221112001120
43012210002010
5101311131400
65055353540
71201302252
oct306440204
9117845046
1052052100
1127422571
12155228b0
13aa26479
146cad5d2
154882ca0
hex31a4084

52052100 has 144 divisors (see below), whose sum is σ = 161656320. Its totient is φ = 12902400.

The previous prime is 52052089. The next prime is 52052137. The reversal of 52052100 is 125025.

It is a super-2 number, since 2×520521002 = 5418842228820000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52052100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269604 + ... + 269796.

Almost surely, 252052100 is an apocalyptic number.

52052100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52052100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80828160).

52052100 is an abundant number, since it is smaller than the sum of its proper divisors (109604220).

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

52052100 is a wasteful number, since it uses less digits than its factorization.

52052100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 52052100 is about 7214.7141315509. The cubic root of 52052100 is about 373.3757303750.

Adding to 52052100 its reverse (125025), we get a palindrome (52177125).

The spelling of 52052100 in words is "fifty-two million, fifty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 29 30 31 50 58 60 62 75 87 93 100 116 124 145 150 155 174 186 193 290 300 310 348 372 386 435 465 579 580 620 725 772 775 870 899 930 965 1158 1450 1550 1740 1798 1860 1930 2175 2316 2325 2697 2895 2900 3100 3596 3860 4350 4495 4650 4825 5394 5597 5790 5983 8700 8990 9300 9650 10788 11194 11580 11966 13485 14475 16791 17949 17980 19300 22388 22475 23932 26970 27985 28950 29915 33582 35898 44950 53940 55970 57900 59830 67164 67425 71796 83955 89745 89900 111940 119660 134850 139925 149575 167910 173507 179490 269700 279850 299150 335820 347014 358980 419775 448725 520521 559700 598300 694028 839550 867535 897450 1041042 1679100 1735070 1794900 2082084 2602605 3470140 4337675 5205210 8675350 10410420 13013025 17350700 26026050 52052100