Search a number
-
+
51936650 = 2521278179
BaseRepresentation
bin1100011000011…
…1110110001010
310121201122200122
43012013312022
5101243433100
65053103242
71200311543
oct306076612
9117648618
1051936650
1127353857
1215487b22
13a9b5a5c
146c7d4ca
15485d985
hex3187d8a

51936650 has 24 divisors (see below), whose sum is σ = 97374720. Its totient is φ = 20608560.

The previous prime is 51936629. The next prime is 51936659. The reversal of 51936650 is 5663915.

51936650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×519366502 = 5394831226445000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51936650.

It is not an unprimeable number, because it can be changed into a prime (51936659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2261 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (4057280).

Almost surely, 251936650 is an apocalyptic number.

51936650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51936650 is a deficient number, since it is larger than the sum of its proper divisors (45438070).

51936650 is a wasteful number, since it uses less digits than its factorization.

51936650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 51936650 is about 7206.7086801119. The cubic root of 51936650 is about 373.0994806377.

The spelling of 51936650 in words is "fifty-one million, nine hundred thirty-six thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 127 254 635 1270 3175 6350 8179 16358 40895 81790 204475 408950 1038733 2077466 5193665 10387330 25968325 51936650