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200968431 = 366989477
BaseRepresentation
bin10111111101010…
…00100011101111
3112000011020212020
423332220203233
5402421442211
631535241223
74660126536
oct1376504357
9460136766
10200968431
11a3494614
1257379213
1332836041
141c99531d
151299b306
hexbfa88ef

200968431 has 4 divisors (see below), whose sum is σ = 267957912. Its totient is φ = 133978952.

The previous prime is 200968393. The next prime is 200968447. The reversal of 200968431 is 134869002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200968431 - 27 = 200968303 is a prime.

It is a super-2 number, since 2×2009684312 = 80776620517203522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200968392 and 200968401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200968531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33494736 + ... + 33494741.

It is an arithmetic number, because the mean of its divisors is an integer number (66989478).

Almost surely, 2200968431 is an apocalyptic number.

200968431 is a deficient number, since it is larger than the sum of its proper divisors (66989481).

200968431 is an equidigital number, since it uses as much as digits as its factorization.

200968431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66989480.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 200968431 is about 14176.3334822513. Note that the first 3 decimals coincide. The cubic root of 200968431 is about 585.7459313601.

The spelling of 200968431 in words is "two hundred million, nine hundred sixty-eight thousand, four hundred thirty-one".

Divisors: 1 3 66989477 200968431