Search a number
-
+
50639200 = 255263299
BaseRepresentation
bin1100000100101…
…1000101100000
310112021201220221
43001023011200
5100430423300
65005212424
71153266103
oct301130540
9115251827
1050639200
1126647a87
1214b61114
13a650331
146a2273a
1546a431a
hex304b160

50639200 has 36 divisors (see below), whose sum is σ = 123624900. Its totient is φ = 20255360.

The previous prime is 50639189. The next prime is 50639207. The reversal of 50639200 is 293605.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50639207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30850 + ... + 32449.

It is an arithmetic number, because the mean of its divisors is an integer number (3434025).

Almost surely, 250639200 is an apocalyptic number.

50639200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50639200 is an abundant number, since it is smaller than the sum of its proper divisors (72985700).

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

50639200 is a wasteful number, since it uses less digits than its factorization.

50639200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63319 (or 63306 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 50639200 is about 7116.1225396981. The cubic root of 50639200 is about 369.9663957793.

Subtracting from 50639200 its reverse (293605), we obtain a triangular number (50345595 = T10034).

The spelling of 50639200 in words is "fifty million, six hundred thirty-nine thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 63299 126598 253196 316495 506392 632990 1012784 1265980 1582475 2025568 2531960 3164950 5063920 6329900 10127840 12659800 25319600 50639200