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200947920 = 2435837283
BaseRepresentation
bin10111111101000…
…11100011010000
3112000010012201120
423332203203100
5402420313140
631535002240
74660012665
oct1376434320
9460105646
10200947920
11a3480168
1257369380
13328298c4
141c98ba6c
15129951d0
hexbfa38d0

200947920 has 40 divisors (see below), whose sum is σ = 622939296. Its totient is φ = 53586048.

The previous prime is 200947913. The next prime is 200947937. The reversal of 200947920 is 29749002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 418402 + ... + 418881.

Almost surely, 2200947920 is an apocalyptic number.

200947920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200947920 is an abundant number, since it is smaller than the sum of its proper divisors (421991376).

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

200947920 is a wasteful number, since it uses less digits than its factorization.

200947920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837299 (or 837293 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 200947920 is about 14175.6100397831. The cubic root of 200947920 is about 585.7260034482.

The spelling of 200947920 in words is "two hundred million, nine hundred forty-seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 837283 1674566 2511849 3349132 4186415 5023698 6698264 8372830 10047396 12559245 13396528 16745660 20094792 25118490 33491320 40189584 50236980 66982640 100473960 200947920