Search a number
-
+
50957140 = 22513375297
BaseRepresentation
bin1100001001100…
…0101101010100
310112212220001111
43002120231110
5101021112030
65020104404
71156062043
oct302305524
9115786044
1050957140
1126844943
1215095104
13a731c70
146aa655a
15471862a
hex3098b54

50957140 has 48 divisors (see below), whose sum is σ = 118378512. Its totient is φ = 18302976.

The previous prime is 50957131. The next prime is 50957161. The reversal of 50957140 is 4175905.

It can be written as a sum of positive squares in 8 ways, for example, as 887364 + 50069776 = 942^2 + 7076^2 .

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 15 ways as a sum of consecutive naturals, for example, 6972 + ... + 12268.

It is an arithmetic number, because the mean of its divisors is an integer number (2466219).

Almost surely, 250957140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50957140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59189256).

50957140 is an abundant number, since it is smaller than the sum of its proper divisors (67421372).

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

50957140 is a wasteful number, since it uses less digits than its factorization.

50957140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 50957140 is about 7138.4269975955. The cubic root of 50957140 is about 370.7390633020.

The spelling of 50957140 in words is "fifty million, nine hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 185 260 370 481 740 962 1924 2405 4810 5297 9620 10594 21188 26485 52970 68861 105940 137722 195989 275444 344305 391978 688610 783956 979945 1377220 1959890 2547857 3919780 5095714 10191428 12739285 25478570 50957140