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51256050 = 23522911783
BaseRepresentation
bin1100001110000…
…1101011110010
310120110002002020
43003201223302
5101110143200
65030332310
71161445356
oct303415362
9116402066
1051256050
1126a2947a
12151ba096
13a808031
146b43466
154776ea0
hex30e1af2

51256050 has 48 divisors (see below), whose sum is σ = 131509440. Its totient is φ = 13195840.

The previous prime is 51256033. The next prime is 51256081. The reversal of 51256050 is 5065215.

51256050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51256050.

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 23 ways as a sum of consecutive naturals, for example, 1542 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (2739780).

Almost surely, 251256050 is an apocalyptic number.

51256050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51256050 is an abundant number, since it is smaller than the sum of its proper divisors (80253390).

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

51256050 is a wasteful number, since it uses less digits than its factorization.

51256050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51256050 is about 7159.3330694975. Note that the first 3 decimals coincide. The cubic root of 51256050 is about 371.4625578227.

It can be divided in two parts, 5125 and 6050, that added together give a triangular number (11175 = T149).

The spelling of 51256050 in words is "fifty-one million, two hundred fifty-six thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 29 30 50 58 75 87 145 150 174 290 435 725 870 1450 2175 4350 11783 23566 35349 58915 70698 117830 176745 294575 341707 353490 589150 683414 883725 1025121 1708535 1767450 2050242 3417070 5125605 8542675 10251210 17085350 25628025 51256050