Search a number
-
+
51114500 = 2253102229
BaseRepresentation
bin1100001011111…
…1001000000100
310120011212220122
43002333020010
5101041131000
65023321112
71160315603
oct302771004
9116155818
1051114500
1126942098
1215150198
13a788788
146b07a3a
15474a085
hex30bf204

51114500 has 24 divisors (see below), whose sum is σ = 111635160. Its totient is φ = 20445600.

The previous prime is 51114493. The next prime is 51114517. The reversal of 51114500 is 541115.

It can be written as a sum of positive squares in 4 ways, for example, as 1214404 + 49900096 = 1102^2 + 7064^2 .

It is a super-2 number, since 2×511145002 = 5225384220500000, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 50615 + ... + 51614.

It is an arithmetic number, because the mean of its divisors is an integer number (4651465).

Almost surely, 251114500 is an apocalyptic number.

51114500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51114500 is an abundant number, since it is smaller than the sum of its proper divisors (60520660).

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

51114500 is a wasteful number, since it uses less digits than its factorization.

51114500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102248 (or 102236 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51114500 is about 7149.4405375526. The cubic root of 51114500 is about 371.1202957742.

Adding to 51114500 its reverse (541115), we get a palindrome (51655615).

The spelling of 51114500 in words is "fifty-one million, one hundred fourteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 102229 204458 408916 511145 1022290 2044580 2555725 5111450 10222900 12778625 25557250 51114500