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51514849 is a prime number
BaseRepresentation
bin1100010010000…
…0110111100001
310120221020002101
43010200313201
5101141433344
65040050401
71163604031
oct304406741
9116836071
1051514849
1127095961
1215303a01
13a898a79
146bad8c1
1547c89d4
hex3120de1

51514849 has 2 divisors, whose sum is σ = 51514850. Its totient is φ = 51514848.

The previous prime is 51514807. The next prime is 51514861. The reversal of 51514849 is 94841515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 10144225 = 6432^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514849 - 27 = 51514721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51514049) 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, 25757424 + 25757425.

It is an arithmetic number, because the mean of its divisors is an integer number (25757425).

Almost surely, 251514849 is an apocalyptic number.

It is an amenable number.

51514849 is a deficient number, since it is larger than the sum of its proper divisors (1).

51514849 is an equidigital number, since it uses as much as digits as its factorization.

51514849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 37.

The square root of 51514849 is about 7177.3845514923. The cubic root of 51514849 is about 372.0866974289.

It can be divided in two parts, 5151 and 4849, that added together give a 4-th power (10000 = 104).

The spelling of 51514849 in words is "fifty-one million, five hundred fourteen thousand, eight hundred forty-nine".