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51104383 = 1136712659
BaseRepresentation
bin1100001011110…
…0101001111111
310120011101000221
43002330221333
5101040320013
65023202211
71160244241
oct302745177
9116141027
1051104383
1126935530
1215146367
13a783ca5
146b04091
15474708d
hex30bca7f

51104383 has 8 divisors (see below), whose sum is σ = 55906560. Its totient is φ = 46328280.

The previous prime is 51104381. The next prime is 51104387. The reversal of 51104383 is 38340115.

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

It is a cyclic number.

It is not a de Polignac number, because 51104383 - 21 = 51104381 is a prime.

It is a super-2 number, since 2×511043832 = 5223315923621378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (6988320).

Almost surely, 251104383 is an apocalyptic number.

51104383 is a deficient number, since it is larger than the sum of its proper divisors (4802177).

51104383 is a wasteful number, since it uses less digits than its factorization.

51104383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51104383 is about 7148.7329646588. The cubic root of 51104383 is about 371.0958091036.

Adding to 51104383 its reverse (38340115), we get a palindrome (89444498).

The spelling of 51104383 in words is "fifty-one million, one hundred four thousand, three hundred eighty-three".

Divisors: 1 11 367 4037 12659 139249 4645853 51104383