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51480424 = 2319338687
BaseRepresentation
bin1100010001100…
…0011101101000
310120212110212101
43010120131220
5101134333144
65035223144
71163401462
oct304303550
9116773771
1051480424
1127072006
12152a7ab4
13a8861b8
146ba1132
1547bd6d4
hex3118768

51480424 has 16 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 24385392.

The previous prime is 51480419. The next prime is 51480433. The reversal of 51480424 is 42408415.

It is a junction number, because it is equal to n+sod(n) for n = 51480392 and 51480401.

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, 169192 + ... + 169495.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 251480424 is an apocalyptic number.

It is an amenable number.

51480424 is a deficient number, since it is larger than the sum of its proper divisors (50125976).

51480424 is a wasteful number, since it uses less digits than its factorization.

51480424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338712 (or 338708 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 51480424 is about 7174.9859930177. The cubic root of 51480424 is about 372.0037961612.

Adding to 51480424 its reverse (42408415), we get a palindrome (93888839).

The spelling of 51480424 in words is "fifty-one million, four hundred eighty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 152 338687 677374 1354748 2709496 6435053 12870106 25740212 51480424