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200891392 = 2101315091
BaseRepresentation
bin10111111100101…
…01110000000000
3112000000100011221
423332111300000
5402412011032
631533444424
74656356122
oct1376256000
9460010157
10200891392
11a3441749
1257340714
1332809c60
141c975212
1512983597
hexbf95c00

200891392 has 44 divisors (see below), whose sum is σ = 432506536. Its totient is φ = 92712960.

The previous prime is 200891387. The next prime is 200891417. The reversal of 200891392 is 293198002.

It is a super-3 number, since 3×2008913923 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5767 + ... + 20857.

It is an arithmetic number, because the mean of its divisors is an integer number (9829694).

Almost surely, 2200891392 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 200891392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216253268).

200891392 is an abundant number, since it is smaller than the sum of its proper divisors (231615144).

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

200891392 is a wasteful number, since it uses less digits than its factorization.

200891392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124 (or 15106 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 200891392 is about 14173.6160523700. The cubic root of 200891392 is about 585.6710754106.

The spelling of 200891392 in words is "two hundred million, eight hundred ninety-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1664 3328 6656 13312 15091 30182 60364 120728 196183 241456 392366 482912 784732 965824 1569464 1931648 3138928 3863296 6277856 7726592 12555712 15453184 25111424 50222848 100445696 200891392