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51304014 = 2322850223
BaseRepresentation
bin1100001110110…
…1011001001110
310120112111212200
43003231121032
5101113212024
65031342330
71162035246
oct303553116
9116474780
1051304014
1126a61513
12152219a6
13a823b08
146b56b26
1547862c9
hex30ed64e

51304014 has 12 divisors (see below), whose sum is σ = 111158736. Its totient is φ = 17101332.

The previous prime is 51304003. The next prime is 51304027. The reversal of 51304014 is 41040315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2850223 = 51304014 / (5 + 1 + 3 + 0 + 4 + 0 + 1 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1425094 + ... + 1425129.

It is an arithmetic number, because the mean of its divisors is an integer number (9263228).

Almost surely, 251304014 is an apocalyptic number.

51304014 is an abundant number, since it is smaller than the sum of its proper divisors (59854722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51304014 is a wasteful number, since it uses less digits than its factorization.

51304014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850231 (or 2850228 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51304014 is about 7162.6820395715. The cubic root of 51304014 is about 371.5783898433.

Adding to 51304014 its reverse (41040315), we get a palindrome (92344329).

The spelling of 51304014 in words is "fifty-one million, three hundred four thousand, fourteen".

Divisors: 1 2 3 6 9 18 2850223 5700446 8550669 17101338 25652007 51304014