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51052050 = 23252719853
BaseRepresentation
bin1100001010111…
…1111000010010
310120001201020200
43002233320102
5101032131200
65022120030
71156635540
oct302577022
9116051220
1051052050
11268aa185
1215120016
13a76621a
146accd90
154736800
hex30afe12

51052050 has 144 divisors (see below), whose sum is σ = 165197760. Its totient is φ = 11041920.

The previous prime is 51052021. The next prime is 51052061. The reversal of 51052050 is 5025015.

51052050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 71 ways as a sum of consecutive naturals, for example, 59424 + ... + 60276.

Almost surely, 251052050 is an apocalyptic number.

51052050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51052050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82598880).

51052050 is an abundant number, since it is smaller than the sum of its proper divisors (114145710).

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

51052050 is a wasteful number, since it uses less digits than its factorization.

51052050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 51052050 is about 7145.0717281214. The cubic root of 51052050 is about 370.9690933585.

Adding to 51052050 its reverse (5025015), we get a palindrome (56077065).

The spelling of 51052050 in words is "fifty-one million, fifty-two thousand, fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 25 30 35 38 42 45 50 57 63 70 75 90 95 105 114 126 133 150 171 175 190 210 225 266 285 315 342 350 399 450 475 525 570 630 665 798 853 855 950 1050 1197 1330 1425 1575 1706 1710 1995 2394 2559 2850 3150 3325 3990 4265 4275 5118 5971 5985 6650 7677 8530 8550 9975 11942 11970 12795 15354 16207 17913 19950 21325 25590 29855 29925 32414 35826 38385 42650 48621 53739 59710 59850 63975 76770 81035 89565 97242 107478 113449 127950 145863 149275 162070 179130 191925 226898 243105 268695 291726 298550 340347 383850 405175 447825 486210 537390 567245 680694 729315 810350 895650 1021041 1134490 1215525 1343475 1458630 1701735 2042082 2431050 2686950 2836225 3403470 3646575 5105205 5672450 7293150 8508675 10210410 17017350 25526025 51052050