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200940920 = 2358635821
BaseRepresentation
bin10111111101000…
…01110101111000
3112000002212010022
423332201311320
5402420102140
631534510012
74656653405
oct1376416570
9460085108
10200940920
11a3475984
1257365308
133282666b
141c9892ac
15129930b5
hexbfa1d78

200940920 has 32 divisors (see below), whose sum is σ = 452718720. Its totient is φ = 80269440.

The previous prime is 200940919. The next prime is 200940931. The reversal of 200940920 is 29049002.

It is a self number, because there is not a number n which added to its sum of digits gives 200940920.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31610 + ... + 37430.

It is an arithmetic number, because the mean of its divisors is an integer number (14147460).

Almost surely, 2200940920 is an apocalyptic number.

200940920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200940920 is an abundant number, since it is smaller than the sum of its proper divisors (251777800).

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

200940920 is a wasteful number, since it uses less digits than its factorization.

200940920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695 (or 6691 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 200940920 is about 14175.3631346784. The cubic root of 200940920 is about 585.7192021343.

Adding to 200940920 its reverse (29049002), we get a palindrome (229989922).

The spelling of 200940920 in words is "two hundred million, nine hundred forty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 863 1726 3452 4315 5821 6904 8630 11642 17260 23284 29105 34520 46568 58210 116420 232840 5023523 10047046 20094092 25117615 40188184 50235230 100470460 200940920