Search a number
-
+
54155850 = 2352751577
BaseRepresentation
bin1100111010010…
…1101001001010
310202220101212020
43032211221022
5102330441400
65212425310
71225213530
oct316455112
9122811766
1054155850
112862a101
1216178236
13b2b1ba8
14729a150
154b4b2a0
hex33a5a4a

54155850 has 48 divisors (see below), whose sum is σ = 153496128. Its totient is φ = 12378240.

The previous prime is 54155837. The next prime is 54155851. The reversal of 54155850 is 5855145.

54155850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54155851) 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 23 ways as a sum of consecutive naturals, for example, 24739 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (3197836).

Almost surely, 254155850 is an apocalyptic number.

54155850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54155850 is an abundant number, since it is smaller than the sum of its proper divisors (99340278).

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

54155850 is a wasteful number, since it uses less digits than its factorization.

54155850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51599 (or 51594 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 54155850 is about 7359.0658374552. The cubic root of 54155850 is about 378.3395929196.

The spelling of 54155850 in words is "fifty-four million, one hundred fifty-five thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 51577 103154 154731 257885 309462 361039 515770 722078 773655 1083117 1289425 1547310 1805195 2166234 2578850 3610390 3868275 5415585 7736550 9025975 10831170 18051950 27077925 54155850