Search a number
-
+
51445262 = 2112338421
BaseRepresentation
bin1100010000111…
…1111000001110
310120210200122002
43010033320032
5101132222022
65034352302
71163164121
oct304177016
9116720562
1051445262
1127048650
121528b692
13a8731ab
146b923b8
1547b3092
hex310fe0e

51445262 has 8 divisors (see below), whose sum is σ = 84183192. Its totient is φ = 23384200.

The previous prime is 51445231. The next prime is 51445297. The reversal of 51445262 is 26254415.

51445262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×514452622 = 5293229964497288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1169189 + ... + 1169232.

It is an arithmetic number, because the mean of its divisors is an integer number (10522899).

Almost surely, 251445262 is an apocalyptic number.

51445262 is a deficient number, since it is larger than the sum of its proper divisors (32737930).

51445262 is a wasteful number, since it uses less digits than its factorization.

51445262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338434.

The product of its digits is 9600, while the sum is 29.

The square root of 51445262 is about 7172.5352561002. The cubic root of 51445262 is about 371.9190819104.

Adding to 51445262 its reverse (26254415), we get a palindrome (77699677).

The spelling of 51445262 in words is "fifty-one million, four hundred forty-five thousand, two hundred sixty-two".

Divisors: 1 2 11 22 2338421 4676842 25722631 51445262