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51513314 = 236177121
BaseRepresentation
bin1100010010000…
…0011111100010
310120221010222112
43010200133202
5101141411224
65040035322
71163566406
oct304403742
9116833875
1051513314
1127094796
1215302b42
13a898168
146bad106
1547c830e
hex31207e2

51513314 has 8 divisors (see below), whose sum is σ = 77302188. Its totient is φ = 25745920.

The previous prime is 51513299. The next prime is 51513347. The reversal of 51513314 is 41331515.

It can be written as a sum of positive squares in 2 ways, for example, as 31416025 + 20097289 = 5605^2 + 4483^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51513314.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3674 + ... + 10794.

Almost surely, 251513314 is an apocalyptic number.

51513314 is a deficient number, since it is larger than the sum of its proper divisors (25788874).

51513314 is a wasteful number, since it uses less digits than its factorization.

51513314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740.

The product of its digits is 900, while the sum is 23.

The square root of 51513314 is about 7177.2776175929. The cubic root of 51513314 is about 372.0830016741.

Adding to 51513314 its reverse (41331515), we get a palindrome (92844829).

The spelling of 51513314 in words is "fifty-one million, five hundred thirteen thousand, three hundred fourteen".

Divisors: 1 2 3617 7121 7234 14242 25756657 51513314