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51051230 = 255105123
BaseRepresentation
bin1100001010111…
…1101011011110
310120001200010022
43002233223132
5101032114410
65022112142
71156633256
oct302575336
9116050108
1051051230
11268a95aa
121511b652
13a765a39
146acc966
154736455
hex30afade

51051230 has 8 divisors (see below), whose sum is σ = 91892232. Its totient is φ = 20420488.

The previous prime is 51051179. The next prime is 51051241. The reversal of 51051230 is 3215015.

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

It is a junction number, because it is equal to n+sod(n) for n = 51051199 and 51051208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552552 + ... + 2552571.

It is an arithmetic number, because the mean of its divisors is an integer number (11486529).

Almost surely, 251051230 is an apocalyptic number.

51051230 is a deficient number, since it is larger than the sum of its proper divisors (40841002).

51051230 is a wasteful number, since it uses less digits than its factorization.

51051230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105130.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51051230 is about 7145.0143456819. The cubic root of 51051230 is about 370.9671071746.

Adding to 51051230 its reverse (3215015), we get a palindrome (54266245).

The spelling of 51051230 in words is "fifty-one million, fifty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 5105123 10210246 25525615 51051230