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51062130 = 2335727017
BaseRepresentation
bin1100001011001…
…0010101110010
310120002020002000
43002302111302
5101032442010
65022234430
71160010120
oct302622562
9116066060
1051062130
1126906809
1215125a16
13a76a9a2
146ad2910
1547397c0
hex30b2572

51062130 has 64 divisors (see below), whose sum is σ = 155623680. Its totient is φ = 11670912.

The previous prime is 51062129. The next prime is 51062149. The reversal of 51062130 is 3126015.

51062130 is a `hidden beast` number, since 5 + 10 + 621 + 30 = 666.

It is a super-2 number, since 2×510621302 = 5214682240273800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 11619 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (2431620).

Almost surely, 251062130 is an apocalyptic number.

51062130 is an abundant number, since it is smaller than the sum of its proper divisors (104561550).

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

51062130 is a wasteful number, since it uses less digits than its factorization.

51062130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27040 (or 27034 counting only the distinct ones).

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

The square root of 51062130 is about 7145.7770746085. Note that the first 3 decimals coincide. The cubic root of 51062130 is about 370.9935071504.

Adding to 51062130 its reverse (3126015), we get a palindrome (54188145).

The spelling of 51062130 in words is "fifty-one million, sixty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 27017 54034 81051 135085 162102 189119 243153 270170 378238 405255 486306 567357 729459 810510 945595 1134714 1215765 1458918 1702071 1891190 2431530 2836785 3404142 3647295 5106213 5673570 7294590 8510355 10212426 17020710 25531065 51062130