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51444112 = 243215257
BaseRepresentation
bin1100010000111…
…1100110010000
310120210122001111
43010033212100
5101132202422
65034343104
71163160556
oct304174620
9116718044
1051444112
11270477a5
121528aa94
13a872805
146b91bd6
1547b2a77
hex310f990

51444112 has 10 divisors (see below), whose sum is σ = 99672998. Its totient is φ = 25722048.

The previous prime is 51444109. The next prime is 51444119. The reversal of 51444112 is 21144415.

It can be written as a sum of positive squares in only one way, i.e., 35952016 + 15492096 = 5996^2 + 3936^2 .

It is not an unprimeable number, because it can be changed into a prime (51444119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607613 + ... + 1607644.

Almost surely, 251444112 is an apocalyptic number.

It is an amenable number.

51444112 is a deficient number, since it is larger than the sum of its proper divisors (48228886).

51444112 is a wasteful number, since it uses less digits than its factorization.

51444112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215265 (or 3215259 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 51444112 is about 7172.4550887405. The cubic root of 51444112 is about 371.9163106145.

Adding to 51444112 its reverse (21144415), we get a palindrome (72588527).

The spelling of 51444112 in words is "fifty-one million, four hundred forty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 3215257 6430514 12861028 25722056 51444112