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200768000 = 29533137
BaseRepresentation
bin10111111011101…
…11101000000000
3111222210001220212
423331313220000
5402344034000
631531053252
74655333306
oct1375675000
9458701825
10200768000
11a3367a74
12572a1228
1332795a44
141c942276
151295bc35
hexbf77a00

200768000 has 80 divisors (see below), whose sum is σ = 500787144. Its totient is φ = 80281600.

The previous prime is 200767999. The next prime is 200768017. The reversal of 200768000 is 867002.

It can be written as a sum of positive squares in 4 ways, for example, as 132342016 + 68425984 = 11504^2 + 8272^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62432 + ... + 65568.

Almost surely, 2200768000 is an apocalyptic number.

200768000 is a gapful number since it is divisible by the number (20) 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 200768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250393572).

200768000 is an abundant number, since it is smaller than the sum of its proper divisors (300019144).

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

200768000 is an frugal number, since it uses more digits than its factorization.

200768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 200768000 is about 14169.2625072726. The cubic root of 200768000 is about 585.5511400802.

It can be divided in two parts, 2007 and 68000, that added together give a palindrome (70007).

The spelling of 200768000 in words is "two hundred million, seven hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1280 1600 2000 2560 3137 3200 4000 6274 6400 8000 12548 12800 15685 16000 25096 31370 32000 50192 62740 64000 78425 100384 125480 156850 200768 250960 313700 392125 401536 501920 627400 784250 803072 1003840 1254800 1568500 1606144 2007680 2509600 3137000 4015360 5019200 6274000 8030720 10038400 12548000 20076800 25096000 40153600 50192000 100384000 200768000