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200344242 = 237413907
BaseRepresentation
bin10111111000100…
…00001010110010
3111221222112122010
423330100022302
5402242003432
631514023350
74651620000
oct1374201262
9457875563
10200344242
11a30a865a
1257117b56
1332677bb7
141c871a70
15128c63cc
hexbf102b2

200344242 has 40 divisors (see below), whose sum is σ = 467475696. Its totient is φ = 57237096.

The previous prime is 200344241. The next prime is 200344259. The reversal of 200344242 is 242443002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (200344241) 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 19 ways as a sum of consecutive naturals, for example, 7453 + ... + 21359.

Almost surely, 2200344242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200344242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233737848).

200344242 is an abundant number, since it is smaller than the sum of its proper divisors (267131454).

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

200344242 is an equidigital number, since it uses as much as digits as its factorization.

200344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940 (or 13919 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 200344242 is about 14154.3011837392. The cubic root of 200344242 is about 585.1388785625.

Adding to 200344242 its reverse (242443002), we get a palindrome (442787244).

The spelling of 200344242 in words is "two hundred million, three hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 2401 4802 7203 13907 14406 27814 41721 83442 97349 194698 292047 584094 681443 1362886 2044329 4088658 4770101 9540202 14310303 28620606 33390707 66781414 100172121 200344242