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204087269 = 238385643
BaseRepresentation
bin11000010101000…
…01111111100101
3112020000201002202
430022201333211
5404221243034
632130144245
75025466421
oct1412417745
9466021082
10204087269
11a5224871
1258422085
13333887c9
141d167b81
1512db547e
hexc2a1fe5

204087269 has 4 divisors (see below), whose sum is σ = 204175296. Its totient is φ = 203999244.

The previous prime is 204087253. The next prime is 204087277. The reversal of 204087269 is 962780402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204087269 - 24 = 204087253 is a prime.

It is a super-2 number, since 2×2040872692 = 83303226735756722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204047269) 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, 40439 + ... + 45204.

It is an arithmetic number, because the mean of its divisors is an integer number (51043824).

Almost surely, 2204087269 is an apocalyptic number.

It is an amenable number.

204087269 is a deficient number, since it is larger than the sum of its proper divisors (88027).

204087269 is an equidigital number, since it uses as much as digits as its factorization.

204087269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88026.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 204087269 is about 14285.9115564951. The cubic root of 204087269 is about 588.7604628784.

The spelling of 204087269 in words is "two hundred four million, eighty-seven thousand, two hundred sixty-nine".

Divisors: 1 2383 85643 204087269