Search a number
-
+
51354260 = 22510923557
BaseRepresentation
bin1100001111100…
…1101010010100
310120122001210122
43003321222110
5101121314020
65032411112
71162334606
oct303715224
9116561718
1051354260
1126a96241
1215246a98
13a840949
146b6b176
154796125
hex30f9a94

51354260 has 24 divisors (see below), whose sum is σ = 108837960. Its totient is φ = 20352384.

The previous prime is 51354257. The next prime is 51354287. The reversal of 51354260 is 6245315.

51354260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 51208336 = 382^2 + 7156^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9599 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (4534915).

Almost surely, 251354260 is an apocalyptic number.

It is an amenable number.

51354260 is an abundant number, since it is smaller than the sum of its proper divisors (57483700).

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

51354260 is a wasteful number, since it uses less digits than its factorization.

51354260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23675 (or 23673 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 51354260 is about 7166.1886662298. The cubic root of 51354260 is about 371.6996554425.

Adding to 51354260 its reverse (6245315), we get a palindrome (57599575).

The spelling of 51354260 in words is "fifty-one million, three hundred fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 23557 47114 94228 117785 235570 471140 2567713 5135426 10270852 12838565 25677130 51354260