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51245282 = 2112329331
BaseRepresentation
bin1100001101111…
…1000011100010
310120102112022102
43003133003202
5101104322112
65030210402
71161402104
oct303370342
9116375272
1051245282
1126a21380
12151b3a02
13a80316a
146b3d574
154773bc2
hex30df0e2

51245282 has 8 divisors (see below), whose sum is σ = 83855952. Its totient is φ = 23293300.

The previous prime is 51245273. The next prime is 51245309. The reversal of 51245282 is 28254215.

51245282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164644 + ... + 1164687.

It is an arithmetic number, because the mean of its divisors is an integer number (10481994).

Almost surely, 251245282 is an apocalyptic number.

51245282 is a deficient number, since it is larger than the sum of its proper divisors (32610670).

51245282 is a wasteful number, since it uses less digits than its factorization.

51245282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329344.

The product of its digits is 6400, while the sum is 29.

The square root of 51245282 is about 7158.5810046405. The cubic root of 51245282 is about 371.4365434046.

Adding to 51245282 its reverse (28254215), we get a palindrome (79499497).

The spelling of 51245282 in words is "fifty-one million, two hundred forty-five thousand, two hundred eighty-two".

Divisors: 1 2 11 22 2329331 4658662 25622641 51245282