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51050925 = 3352531427
BaseRepresentation
bin1100001010111…
…1100110101101
310120001122201000
43002233212231
5101032112200
65022110513
71156632342
oct302574655
9116048630
1051050925
11268a9352
121511b439
13a765863
146acc7c9
154736300
hex30af9ad

51050925 has 48 divisors (see below), whose sum is σ = 95618880. Its totient is φ = 26694720.

The previous prime is 51050911. The next prime is 51050927. The reversal of 51050925 is 52905015.

It is not a de Polignac number, because 51050925 - 214 = 51034541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35062 + ... + 36488.

It is an arithmetic number, because the mean of its divisors is an integer number (1992060).

Almost surely, 251050925 is an apocalyptic number.

It is an amenable number.

51050925 is a deficient number, since it is larger than the sum of its proper divisors (44567955).

51050925 is a wasteful number, since it uses less digits than its factorization.

51050925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 51050925 is about 7144.9930020959. The cubic root of 51050925 is about 370.9663684056.

The spelling of 51050925 in words is "fifty-one million, fifty thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 53 75 135 159 225 265 477 675 795 1325 1427 1431 2385 3975 4281 7135 7155 11925 12843 21405 35675 35775 38529 64215 75631 107025 192645 226893 321075 378155 680679 963225 1134465 1890775 2042037 3403395 5672325 10210185 17016975 51050925