Search a number
-
+
42028200 = 23335243181
BaseRepresentation
bin1010000001010…
…0110010101000
32221002020212000
42200110302220
541224400300
64100451000
71020143124
oct240246250
987066760
1042028200
11217a6455
12120a9a60
138926a76
145820584
153a52c00
hex2814ca8

42028200 has 192 divisors, whose sum is σ = 148948800. Its totient is φ = 10886400.

The previous prime is 42028187. The next prime is 42028241. The reversal of 42028200 is 282024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232110 + ... + 232290.

It is an arithmetic number, because the mean of its divisors is an integer number (775775).

Almost surely, 242028200 is an apocalyptic number.

42028200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42028200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74474400).

42028200 is an abundant number, since it is smaller than the sum of its proper divisors (106920600).

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

42028200 is a wasteful number, since it uses less digits than its factorization.

42028200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42028200 is about 6482.9160105619. The cubic root of 42028200 is about 347.6804438703.

The spelling of 42028200 in words is "forty-two million, twenty-eight thousand, two hundred".