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51044353 = 1753181313
BaseRepresentation
bin1100001010111…
…0000000000001
310120001022200121
43002232000001
5101031404403
65022020241
71156604233
oct302560001
9116038617
1051044353
11268a4418
1215117681
13a762879
146aca253
1547343bd
hex30ae001

51044353 has 16 divisors (see below), whose sum is σ = 55547856. Its totient is φ = 46725120.

The previous prime is 51044341. The next prime is 51044359. The reversal of 51044353 is 35344015.

It can be written as a sum of positive squares in 8 ways, for example, as 8898289 + 42146064 = 2983^2 + 6492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51044353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51044359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162925 + ... + 163237.

It is an arithmetic number, because the mean of its divisors is an integer number (3471741).

It is a Proth number, since it is equal to 6231 ⋅ 213 + 1 and 6231 < 213.

Almost surely, 251044353 is an apocalyptic number.

51044353 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51044353 is a deficient number, since it is larger than the sum of its proper divisors (4503503).

51044353 is a wasteful number, since it uses less digits than its factorization.

51044353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 51044353 is about 7144.5330848139. The cubic root of 51044353 is about 370.9504490362.

Adding to 51044353 its reverse (35344015), we get a palindrome (86388368).

The spelling of 51044353 in words is "fifty-one million, forty-four thousand, three hundred fifty-three".

Divisors: 1 17 53 181 313 901 3077 5321 9593 16589 56653 163081 282013 963101 3002609 51044353