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204250369 = 821924851
BaseRepresentation
bin11000010110010…
…01110100000001
3112020022222211111
430023021310001
5404242002434
632133443321
75030046061
oct1413116401
9466288744
10204250369
11a5326364
12584a0541
1333414b0b
141d1ab3a1
1512de8964
hexc2c9d01

204250369 has 4 divisors (see below), whose sum is σ = 204283440. Its totient is φ = 204217300.

The previous prime is 204250357. The next prime is 204250411. The reversal of 204250369 is 963052402.

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 204250369 - 25 = 204250337 is a prime.

It is a super-2 number, since 2×2042503692 = 83436426473272322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204250369.

It is not an unprimeable number, because it can be changed into a prime (204250169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4207 + ... + 20644.

It is an arithmetic number, because the mean of its divisors is an integer number (51070860).

Almost surely, 2204250369 is an apocalyptic number.

It is an amenable number.

204250369 is a deficient number, since it is larger than the sum of its proper divisors (33071).

204250369 is an equidigital number, since it uses as much as digits as its factorization.

204250369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33070.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 204250369 is about 14291.6188376265. The cubic root of 204250369 is about 588.9172606098.

The spelling of 204250369 in words is "two hundred four million, two hundred fifty thousand, three hundred sixty-nine".

Divisors: 1 8219 24851 204250369