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200413261 = 421476041
BaseRepresentation
bin10111111001000…
…01000001001101
3111222010001022101
423330201001031
5402301211021
631515315101
74652325136
oct1374410115
9458101271
10200413261
11a31454a4
125714ba91
13326a0439
141c88cc8d
15128dba91
hexbf2104d

200413261 has 4 divisors (see below), whose sum is σ = 200889724. Its totient is φ = 199936800.

The previous prime is 200413249. The next prime is 200413267. The reversal of 200413261 is 162314002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162314002 = 281157001.

It can be written as a sum of positive squares in 2 ways, for example, as 8590761 + 191822500 = 2931^2 + 13850^2 .

It is a cyclic number.

It is not a de Polignac number, because 200413261 - 27 = 200413133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200413267) by changing a digit.

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, 237600 + ... + 238441.

It is an arithmetic number, because the mean of its divisors is an integer number (50222431).

Almost surely, 2200413261 is an apocalyptic number.

It is an amenable number.

200413261 is a deficient number, since it is larger than the sum of its proper divisors (476463).

200413261 is an equidigital number, since it uses as much as digits as its factorization.

200413261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476462.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 200413261 is about 14156.7390666071. The cubic root of 200413261 is about 585.2060646936.

Adding to 200413261 its reverse (162314002), we get a palindrome (362727263).

The spelling of 200413261 in words is "two hundred million, four hundred thirteen thousand, two hundred sixty-one".

Divisors: 1 421 476041 200413261