Search a number
-
+
51224050 = 2521024481
BaseRepresentation
bin1100001101100…
…1110111110010
310120101110012001
43003121313302
5101103132200
65025524214
71161253153
oct303316762
9116343161
1051224050
1126a07429
12151a366a
13a7c65b7
146b3592a
15476c76a
hex30d9df2

51224050 has 12 divisors (see below), whose sum is σ = 95276826. Its totient is φ = 20489600.

The previous prime is 51224029. The next prime is 51224081. The reversal of 51224050 is 5042215.

It can be written as a sum of positive squares in 3 ways, for example, as 48762289 + 2461761 = 6983^2 + 1569^2 .

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, 512191 + ... + 512290.

Almost surely, 251224050 is an apocalyptic number.

51224050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51224050 is a deficient number, since it is larger than the sum of its proper divisors (44052776).

51224050 is a wasteful number, since it uses less digits than its factorization.

51224050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024493 (or 1024488 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 51224050 is about 7157.0978755359. The cubic root of 51224050 is about 371.3852383231.

Adding to 51224050 its reverse (5042215), we get a palindrome (56266265).

The spelling of 51224050 in words is "fifty-one million, two hundred twenty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 1024481 2048962 5122405 10244810 25612025 51224050