Search a number
-
+
51960250 = 2531910939
BaseRepresentation
bin1100011000110…
…1100110111010
310121202212001201
43012031212322
5101300212000
65053404414
71200440416
oct306154672
9117685051
1051960250
112736a561
121549970a
13a9c3714
146c87d46
15486596a
hex318d9ba

51960250 has 32 divisors (see below), whose sum is σ = 102398400. Its totient is φ = 19688400.

The previous prime is 51960229. The next prime is 51960277. The reversal of 51960250 is 5206915.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 10219.

It is an arithmetic number, because the mean of its divisors is an integer number (3199950).

Almost surely, 251960250 is an apocalyptic number.

51960250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51960250 is a deficient number, since it is larger than the sum of its proper divisors (50438150).

51960250 is a wasteful number, since it uses less digits than its factorization.

51960250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10975 (or 10965 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 51960250 is about 7208.3458574072. The cubic root of 51960250 is about 373.1559841819.

The spelling of 51960250 in words is "fifty-one million, nine hundred sixty thousand, two hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 125 190 250 475 950 2375 4750 10939 21878 54695 109390 207841 273475 415682 546950 1039205 1367375 2078410 2734750 5196025 10392050 25980125 51960250