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442233800 = 235214872
BaseRepresentation
bin11010010110111…
…111001111001000
31010211010210201122
4122112333033020
51401202440200
6111514334412
713646632241
oct3226771710
91124123648
10442233800
112076a1888
1210412a408
137080ab08
1442a39cc8
1528c57385
hex1a5bf3c8

442233800 has 36 divisors (see below), whose sum is σ = 1028885505. Its totient is φ = 176774560.

The previous prime is 442233793. The next prime is 442233809. The reversal of 442233800 is 8332244.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 433389124 + 8844676 = 20818^2 + 2974^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=14870.

It is a self number, because there is not a number n which added to its sum of digits gives 442233800.

It is not an unprimeable number, because it can be changed into a prime (442233809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 296657 + ... + 298143.

Almost surely, 2442233800 is an apocalyptic number.

442233800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442233800 is an abundant number, since it is smaller than the sum of its proper divisors (586651705).

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

442233800 is an equidigital number, since it uses as much as digits as its factorization.

442233800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 442233800 is about 21029.3556724879. The cubic root of 442233800 is about 761.8754466523.

Multiplying 442233800 by its product of nonzero digits (4608), we get a square (2037813350400 = 14275202).

The spelling of 442233800 in words is "four hundred forty-two million, two hundred thirty-three thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1487 2974 5948 7435 11896 14870 29740 37175 59480 74350 148700 297400 2211169 4422338 8844676 11055845 17689352 22111690 44223380 55279225 88446760 110558450 221116900 442233800